243563896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 502740000

約数和(自身を除く): 259176104

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 97, 136, 148, 194, 296, 388, 499, 629, 776, 998, 1258, 1649, 1996, 2516, 3298, 3589, 3992, 5032, 6596, 7178, 8483, 13192, 14356, 16966, 18463, 28712, 33932, 36926, 48403, 61013, 67864, 73852, 96806, 122026, 147704, 193612, 244052, 313871, 387224, 488104, 627742, 822851, 1255484, 1645702, 1790911, 2510968, 3291404, 3581822, 6582808, 7163644, 14327288, 30445487, 60890974, 121781948, 243563896]

約数ペア:

[(1, 243563896), (2, 121781948), (4, 60890974), (8, 30445487), (17, 14327288), (34, 7163644), (37, 6582808), (68, 3581822), (74, 3291404), (97, 2510968), (136, 1790911), (148, 1645702), (194, 1255484), (296, 822851), (388, 627742), (499, 488104), (629, 387224), (776, 313871), (998, 244052), (1258, 193612), (1649, 147704), (1996, 122026), (2516, 96806), (3298, 73852), (3589, 67864), (3992, 61013), (5032, 48403), (6596, 36926), (7178, 33932), (8483, 28712), (13192, 18463), (14356, 16966)]