39897416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 86452800

約数和(自身を除く): 46555384

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 331, 488, 494, 662, 793, 988, 1159, 1324, 1586, 1976, 2318, 2648, 3172, 4303, 4636, 6289, 6344, 8606, 9272, 12578, 15067, 17212, 20191, 25156, 30134, 34424, 40382, 50312, 60268, 80764, 81757, 120536, 161528, 163514, 262483, 327028, 383629, 524966, 654056, 767258, 1049932, 1534516, 2099864, 3069032, 4987177, 9974354, 19948708, 39897416]

約数ペア:

[(1, 39897416), (2, 19948708), (4, 9974354), (8, 4987177), (13, 3069032), (19, 2099864), (26, 1534516), (38, 1049932), (52, 767258), (61, 654056), (76, 524966), (104, 383629), (122, 327028), (152, 262483), (244, 163514), (247, 161528), (331, 120536), (488, 81757), (494, 80764), (662, 60268), (793, 50312), (988, 40382), (1159, 34424), (1324, 30134), (1586, 25156), (1976, 20191), (2318, 17212), (2648, 15067), (3172, 12578), (4303, 9272), (4636, 8606), (6289, 6344)]