256694384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{6551}}^1$

素因数の和:6669

約数の個数: 40

約数和(自身を含む): 519966720

約数和(自身を除く): 263272336

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2449, 4898, 6551, 9796, 13102, 19592, 26204, 39184, 52408, 104816, 203081, 406162, 517529, 812324, 1035058, 1624648, 2070116, 3249296, 4140232, 8280464, 16043399, 32086798, 64173596, 128347192, 256694384]

約数ペア:

[(1, 256694384), (2, 128347192), (4, 64173596), (8, 32086798), (16, 16043399), (31, 8280464), (62, 4140232), (79, 3249296), (124, 2070116), (158, 1624648), (248, 1035058), (316, 812324), (496, 517529), (632, 406162), (1264, 203081), (2449, 104816), (4898, 52408), (6551, 39184), (9796, 26204), (13102, 19592)]