1640692392178

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{2179}}^1\times {\mathrm{2447}}^1$

素因数の和:5375

約数の個数: 64

約数和(自身を含む): 2909963059200

約数和(自身を除く): 1269270667022

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 709, 1418, 2179, 2447, 4358, 4894, 4963, 9926, 15253, 17129, 21979, 30506, 34258, 43958, 67549, 75857, 135098, 151714, 153853, 307706, 472843, 530999, 945686, 1061998, 1544911, 1734923, 3089822, 3469846, 5332013, 10664026, 10814377, 12144461, 21628754, 24288922, 37324091, 47892241, 53782613, 74648182, 95784482, 107565226, 165292403, 330584806, 335245687, 376478291, 670491374, 752956582, 1157046821, 2314093642, 3780397217, 7560794434, 26462780519, 52925561038, 117192313727, 234384627454, 820346196089, 1640692392178]

約数ペア:

[(1, 1640692392178), (2, 820346196089), (7, 234384627454), (14, 117192313727), (31, 52925561038), (62, 26462780519), (217, 7560794434), (434, 3780397217), (709, 2314093642), (1418, 1157046821), (2179, 752956582), (2447, 670491374), (4358, 376478291), (4894, 335245687), (4963, 330584806), (9926, 165292403), (15253, 107565226), (17129, 95784482), (21979, 74648182), (30506, 53782613), (34258, 47892241), (43958, 37324091), (67549, 24288922), (75857, 21628754), (135098, 12144461), (151714, 10814377), (153853, 10664026), (307706, 5332013), (472843, 3469846), (530999, 3089822), (945686, 1734923), (1061998, 1544911)]