428315628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 1091371008

約数和(自身を除く): 663055380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 507, 508, 676, 762, 1014, 1524, 1651, 1663, 2028, 3302, 3326, 4953, 4989, 6604, 6652, 9906, 9978, 19812, 19956, 21463, 21619, 42926, 43238, 64389, 64857, 85852, 86476, 128778, 129714, 211201, 257556, 259428, 281047, 422402, 562094, 633603, 843141, 844804, 1124188, 1267206, 1686282, 2534412, 2745613, 3372564, 5491226, 8236839, 10982452, 16473678, 32947356, 35692969, 71385938, 107078907, 142771876, 214157814, 428315628]

約数ペア:

[(1, 428315628), (2, 214157814), (3, 142771876), (4, 107078907), (6, 71385938), (12, 35692969), (13, 32947356), (26, 16473678), (39, 10982452), (52, 8236839), (78, 5491226), (127, 3372564), (156, 2745613), (169, 2534412), (254, 1686282), (338, 1267206), (381, 1124188), (507, 844804), (508, 843141), (676, 633603), (762, 562094), (1014, 422402), (1524, 281047), (1651, 259428), (1663, 257556), (2028, 211201), (3302, 129714), (3326, 128778), (4953, 86476), (4989, 85852), (6604, 64857), (6652, 64389), (9906, 43238), (9978, 42926), (19812, 21619), (19956, 21463)]