1991375808

素因数分解:

$2^6\times 3^1\times {\mathrm{257}}^1\times {\mathrm{40357}}^1$

素因数の和:40629

約数の個数: 56

約数和(自身を含む): 5289480912

約数和(自身を除く): 3298105104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 257, 514, 771, 1028, 1542, 2056, 3084, 4112, 6168, 8224, 12336, 16448, 24672, 40357, 49344, 80714, 121071, 161428, 242142, 322856, 484284, 645712, 968568, 1291424, 1937136, 2582848, 3874272, 7748544, 10371749, 20743498, 31115247, 41486996, 62230494, 82973992, 124460988, 165947984, 248921976, 331895968, 497843952, 663791936, 995687904, 1991375808]

約数ペア:

[(1, 1991375808), (2, 995687904), (3, 663791936), (4, 497843952), (6, 331895968), (8, 248921976), (12, 165947984), (16, 124460988), (24, 82973992), (32, 62230494), (48, 41486996), (64, 31115247), (96, 20743498), (192, 10371749), (257, 7748544), (514, 3874272), (771, 2582848), (1028, 1937136), (1542, 1291424), (2056, 968568), (3084, 645712), (4112, 484284), (6168, 322856), (8224, 242142), (12336, 161428), (16448, 121071), (24672, 80714), (40357, 49344)]