643964178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 1597506624

約数和(自身を除く): 953542446

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 71, 78, 93, 121, 142, 143, 186, 213, 242, 286, 341, 363, 403, 426, 429, 682, 726, 781, 806, 858, 923, 961, 1023, 1209, 1562, 1573, 1846, 1922, 2046, 2201, 2343, 2418, 2769, 2883, 3146, 3751, 4402, 4433, 4686, 4719, 5538, 5766, 6603, 7502, 8591, 8866, 9438, 10153, 10571, 11253, 12493, 13206, 13299, 17182, 20306, 21142, 22506, 24211, 24986, 25773, 26598, 28613, 30459, 31713, 37479, 48422, 48763, 51546, 57226, 60918, 63426, 68231, 72633, 74958, 85839, 97526, 111683, 116281, 136462, 137423, 145266, 146289, 171678, 204693, 223366, 232562, 266321, 274846, 292578, 314743, 335049, 348843, 409386, 412269, 532642, 629486, 670098, 697686, 750541, 798963, 824538, 887003, 944229, 1501082, 1511653, 1597926, 1774006, 1888458, 2251623, 2661009, 3023306, 3462173, 4503246, 4534959, 5322018, 6924346, 8255951, 9069918, 9757033, 10386519, 16511902, 19514066, 20773038, 24767853, 29271099, 49535706, 58542198, 107327363, 214654726, 321982089, 643964178]

約数ペア:

[(1, 643964178), (2, 321982089), (3, 214654726), (6, 107327363), (11, 58542198), (13, 49535706), (22, 29271099), (26, 24767853), (31, 20773038), (33, 19514066), (39, 16511902), (62, 10386519), (66, 9757033), (71, 9069918), (78, 8255951), (93, 6924346), (121, 5322018), (142, 4534959), (143, 4503246), (186, 3462173), (213, 3023306), (242, 2661009), (286, 2251623), (341, 1888458), (363, 1774006), (403, 1597926), (426, 1511653), (429, 1501082), (682, 944229), (726, 887003), (781, 824538), (806, 798963), (858, 750541), (923, 697686), (961, 670098), (1023, 629486), (1209, 532642), (1562, 412269), (1573, 409386), (1846, 348843), (1922, 335049), (2046, 314743), (2201, 292578), (2343, 274846), (2418, 266321), (2769, 232562), (2883, 223366), (3146, 204693), (3751, 171678), (4402, 146289), (4433, 145266), (4686, 137423), (4719, 136462), (5538, 116281), (5766, 111683), (6603, 97526), (7502, 85839), (8591, 74958), (8866, 72633), (9438, 68231), (10153, 63426), (10571, 60918), (11253, 57226), (12493, 51546), (13206, 48763), (13299, 48422), (17182, 37479), (20306, 31713), (21142, 30459), (22506, 28613), (24211, 26598), (24986, 25773)]