203765648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 429496320

約数和(自身を除く): 225730672

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 79, 86, 92, 158, 163, 172, 184, 316, 326, 344, 368, 632, 652, 688, 989, 1264, 1304, 1817, 1978, 2608, 3397, 3634, 3749, 3956, 6794, 7009, 7268, 7498, 7912, 12877, 13588, 14018, 14536, 14996, 15824, 25754, 27176, 28036, 29072, 29992, 51508, 54352, 56072, 59984, 78131, 103016, 112144, 156262, 161207, 206032, 296171, 312524, 322414, 553711, 592342, 625048, 644828, 1107422, 1184684, 1250096, 1289656, 2214844, 2369368, 2579312, 4429688, 4738736, 8859376, 12735353, 25470706, 50941412, 101882824, 203765648]

約数ペア:

[(1, 203765648), (2, 101882824), (4, 50941412), (8, 25470706), (16, 12735353), (23, 8859376), (43, 4738736), (46, 4429688), (79, 2579312), (86, 2369368), (92, 2214844), (158, 1289656), (163, 1250096), (172, 1184684), (184, 1107422), (316, 644828), (326, 625048), (344, 592342), (368, 553711), (632, 322414), (652, 312524), (688, 296171), (989, 206032), (1264, 161207), (1304, 156262), (1817, 112144), (1978, 103016), (2608, 78131), (3397, 59984), (3634, 56072), (3749, 54352), (3956, 51508), (6794, 29992), (7009, 29072), (7268, 28036), (7498, 27176), (7912, 25754), (12877, 15824), (13588, 14996), (14018, 14536)]