821227212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 2314970112

約数和(自身を除く): 1493742900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 127, 156, 164, 234, 246, 254, 337, 369, 381, 468, 492, 508, 533, 674, 738, 762, 1011, 1066, 1143, 1348, 1476, 1524, 1599, 1651, 2022, 2132, 2286, 3033, 3198, 3302, 4044, 4381, 4572, 4797, 4953, 5207, 6066, 6396, 6604, 8762, 9594, 9906, 10414, 12132, 13143, 13817, 14859, 15621, 17524, 19188, 19812, 20828, 26286, 27634, 29718, 31242, 39429, 41451, 42799, 46863, 52572, 55268, 59436, 62484, 67691, 78858, 82902, 85598, 93726, 124353, 128397, 135382, 157716, 165804, 171196, 179621, 187452, 203073, 248706, 256794, 270764, 359242, 385191, 406146, 497412, 513588, 538863, 556387, 609219, 718484, 770382, 812292, 1077726, 1112774, 1218438, 1540764, 1616589, 1669161, 1754759, 2155452, 2225548, 2436876, 3233178, 3338322, 3509518, 5007483, 5264277, 6466356, 6676644, 7019036, 10014966, 10528554, 15792831, 20029932, 21057108, 22811867, 31585662, 45623734, 63171324, 68435601, 91247468, 136871202, 205306803, 273742404, 410613606, 821227212]

約数ペア:

[(1, 821227212), (2, 410613606), (3, 273742404), (4, 205306803), (6, 136871202), (9, 91247468), (12, 68435601), (13, 63171324), (18, 45623734), (26, 31585662), (36, 22811867), (39, 21057108), (41, 20029932), (52, 15792831), (78, 10528554), (82, 10014966), (117, 7019036), (123, 6676644), (127, 6466356), (156, 5264277), (164, 5007483), (234, 3509518), (246, 3338322), (254, 3233178), (337, 2436876), (369, 2225548), (381, 2155452), (468, 1754759), (492, 1669161), (508, 1616589), (533, 1540764), (674, 1218438), (738, 1112774), (762, 1077726), (1011, 812292), (1066, 770382), (1143, 718484), (1348, 609219), (1476, 556387), (1524, 538863), (1599, 513588), (1651, 497412), (2022, 406146), (2132, 385191), (2286, 359242), (3033, 270764), (3198, 256794), (3302, 248706), (4044, 203073), (4381, 187452), (4572, 179621), (4797, 171196), (4953, 165804), (5207, 157716), (6066, 135382), (6396, 128397), (6604, 124353), (8762, 93726), (9594, 85598), (9906, 82902), (10414, 78858), (12132, 67691), (13143, 62484), (13817, 59436), (14859, 55268), (15621, 52572), (17524, 46863), (19188, 42799), (19812, 41451), (20828, 39429), (26286, 31242), (27634, 29718)]