42985904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 96348000

約数和(自身を除く): 53362096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 73, 76, 104, 146, 149, 152, 208, 247, 292, 298, 304, 494, 584, 596, 949, 988, 1168, 1192, 1387, 1898, 1937, 1976, 2384, 2774, 2831, 3796, 3874, 3952, 5548, 5662, 7592, 7748, 10877, 11096, 11324, 15184, 15496, 18031, 21754, 22192, 22648, 30992, 36062, 36803, 43508, 45296, 72124, 73606, 87016, 141401, 144248, 147212, 174032, 206663, 282802, 288496, 294424, 413326, 565604, 588848, 826652, 1131208, 1653304, 2262416, 2686619, 3306608, 5373238, 10746476, 21492952, 42985904]

約数ペア:

[(1, 42985904), (2, 21492952), (4, 10746476), (8, 5373238), (13, 3306608), (16, 2686619), (19, 2262416), (26, 1653304), (38, 1131208), (52, 826652), (73, 588848), (76, 565604), (104, 413326), (146, 294424), (149, 288496), (152, 282802), (208, 206663), (247, 174032), (292, 147212), (298, 144248), (304, 141401), (494, 87016), (584, 73606), (596, 72124), (949, 45296), (988, 43508), (1168, 36803), (1192, 36062), (1387, 30992), (1898, 22648), (1937, 22192), (1976, 21754), (2384, 18031), (2774, 15496), (2831, 15184), (3796, 11324), (3874, 11096), (3952, 10877), (5548, 7748), (5662, 7592)]