78268912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 166239360

約数和(自身を除く): 87970448

約数列:

[1, 2, 4, 8, 16, 29, 37, 47, 58, 74, 94, 97, 116, 148, 188, 194, 232, 296, 376, 388, 464, 592, 752, 776, 1073, 1363, 1552, 1739, 2146, 2726, 2813, 3478, 3589, 4292, 4559, 5452, 5626, 6956, 7178, 8584, 9118, 10904, 11252, 13912, 14356, 17168, 18236, 21808, 22504, 27824, 28712, 36472, 45008, 50431, 57424, 72944, 100862, 104081, 132211, 168683, 201724, 208162, 264422, 337366, 403448, 416324, 528844, 674732, 806896, 832648, 1057688, 1349464, 1665296, 2115376, 2698928, 4891807, 9783614, 19567228, 39134456, 78268912]

約数ペア:

[(1, 78268912), (2, 39134456), (4, 19567228), (8, 9783614), (16, 4891807), (29, 2698928), (37, 2115376), (47, 1665296), (58, 1349464), (74, 1057688), (94, 832648), (97, 806896), (116, 674732), (148, 528844), (188, 416324), (194, 403448), (232, 337366), (296, 264422), (376, 208162), (388, 201724), (464, 168683), (592, 132211), (752, 104081), (776, 100862), (1073, 72944), (1363, 57424), (1552, 50431), (1739, 45008), (2146, 36472), (2726, 28712), (2813, 27824), (3478, 22504), (3589, 21808), (4292, 18236), (4559, 17168), (5452, 14356), (5626, 13912), (6956, 11252), (7178, 10904), (8584, 9118)]