256221384

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2618

約数の個数: 64

約数和(自身を含む): 677376000

約数和(自身を除く): 421154616

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 239, 456, 478, 717, 956, 1434, 1912, 2351, 2868, 4541, 4702, 5736, 7053, 9082, 9404, 13623, 14106, 18164, 18808, 27246, 28212, 36328, 44669, 54492, 56424, 89338, 108984, 134007, 178676, 268014, 357352, 536028, 561889, 1072056, 1123778, 1685667, 2247556, 3371334, 4495112, 6742668, 10675891, 13485336, 21351782, 32027673, 42703564, 64055346, 85407128, 128110692, 256221384]

約数ペア:

[(1, 256221384), (2, 128110692), (3, 85407128), (4, 64055346), (6, 42703564), (8, 32027673), (12, 21351782), (19, 13485336), (24, 10675891), (38, 6742668), (57, 4495112), (76, 3371334), (114, 2247556), (152, 1685667), (228, 1123778), (239, 1072056), (456, 561889), (478, 536028), (717, 357352), (956, 268014), (1434, 178676), (1912, 134007), (2351, 108984), (2868, 89338), (4541, 56424), (4702, 54492), (5736, 44669), (7053, 36328), (9082, 28212), (9404, 27246), (13623, 18808), (14106, 18164)]