87216844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 185755248

約数和(自身を除く): 98538404

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 169, 286, 317, 338, 407, 481, 572, 634, 676, 814, 962, 1268, 1628, 1859, 1924, 3487, 3718, 4121, 5291, 6253, 6974, 7436, 8242, 10582, 11729, 12506, 13948, 16484, 21164, 23458, 25012, 45331, 46916, 53573, 68783, 90662, 107146, 129019, 137566, 152477, 181324, 214292, 258038, 275132, 304954, 516076, 589303, 609908, 1178606, 1677247, 1982201, 2357212, 3354494, 3964402, 6708988, 7928804, 21804211, 43608422, 87216844]

約数ペア:

[(1, 87216844), (2, 43608422), (4, 21804211), (11, 7928804), (13, 6708988), (22, 3964402), (26, 3354494), (37, 2357212), (44, 1982201), (52, 1677247), (74, 1178606), (143, 609908), (148, 589303), (169, 516076), (286, 304954), (317, 275132), (338, 258038), (407, 214292), (481, 181324), (572, 152477), (634, 137566), (676, 129019), (814, 107146), (962, 90662), (1268, 68783), (1628, 53573), (1859, 46916), (1924, 45331), (3487, 25012), (3718, 23458), (4121, 21164), (5291, 16484), (6253, 13948), (6974, 12506), (7436, 11729), (8242, 10582)]