87780836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 195592320

約数和(自身を除く): 107811484

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 41, 44, 52, 76, 82, 143, 164, 197, 209, 247, 286, 394, 418, 451, 494, 533, 572, 779, 788, 836, 902, 988, 1066, 1558, 1804, 2132, 2167, 2561, 2717, 3116, 3743, 4334, 5122, 5434, 5863, 7486, 8077, 8569, 8668, 10127, 10244, 10868, 11726, 14972, 16154, 17138, 20254, 23452, 28171, 32308, 34276, 40508, 41173, 48659, 56342, 82346, 88847, 97318, 105001, 111397, 112684, 153463, 164692, 177694, 194636, 210002, 222794, 306926, 355388, 420004, 445588, 535249, 613852, 1070498, 1155011, 1688093, 1995019, 2140996, 2310022, 3376186, 3990038, 4620044, 6752372, 7980076, 21945209, 43890418, 87780836]

約数ペア:

[(1, 87780836), (2, 43890418), (4, 21945209), (11, 7980076), (13, 6752372), (19, 4620044), (22, 3990038), (26, 3376186), (38, 2310022), (41, 2140996), (44, 1995019), (52, 1688093), (76, 1155011), (82, 1070498), (143, 613852), (164, 535249), (197, 445588), (209, 420004), (247, 355388), (286, 306926), (394, 222794), (418, 210002), (451, 194636), (494, 177694), (533, 164692), (572, 153463), (779, 112684), (788, 111397), (836, 105001), (902, 97318), (988, 88847), (1066, 82346), (1558, 56342), (1804, 48659), (2132, 41173), (2167, 40508), (2561, 34276), (2717, 32308), (3116, 28171), (3743, 23452), (4334, 20254), (5122, 17138), (5434, 16154), (5863, 14972), (7486, 11726), (8077, 10868), (8569, 10244), (8668, 10127)]