128218422

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 285696000

約数和(自身を除く): 157477578

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 79, 114, 138, 158, 237, 437, 474, 619, 874, 1238, 1311, 1501, 1817, 1857, 2622, 3002, 3634, 3714, 4503, 5451, 9006, 10902, 11761, 14237, 23522, 28474, 34523, 35283, 42711, 48901, 69046, 70566, 85422, 97802, 103569, 146703, 207138, 270503, 293406, 541006, 811509, 929119, 1124723, 1623018, 1858238, 2249446, 2787357, 3374169, 5574714, 6748338, 21369737, 42739474, 64109211, 128218422]

約数ペア:

[(1, 128218422), (2, 64109211), (3, 42739474), (6, 21369737), (19, 6748338), (23, 5574714), (38, 3374169), (46, 2787357), (57, 2249446), (69, 1858238), (79, 1623018), (114, 1124723), (138, 929119), (158, 811509), (237, 541006), (437, 293406), (474, 270503), (619, 207138), (874, 146703), (1238, 103569), (1311, 97802), (1501, 85422), (1817, 70566), (1857, 69046), (2622, 48901), (3002, 42711), (3634, 35283), (3714, 34523), (4503, 28474), (5451, 23522), (9006, 14237), (10902, 11761)]