257454132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 674365440

約数和(自身を除く): 416911308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 139, 156, 186, 278, 372, 383, 403, 417, 556, 766, 806, 834, 1149, 1209, 1532, 1612, 1668, 1807, 2298, 2418, 3614, 4309, 4596, 4836, 4979, 5421, 7228, 8618, 9958, 10842, 11873, 12927, 14937, 17236, 19916, 21684, 23746, 25854, 29874, 35619, 47492, 51708, 53237, 56017, 59748, 71238, 106474, 112034, 142476, 154349, 159711, 168051, 212948, 224068, 308698, 319422, 336102, 463047, 617396, 638844, 672204, 692081, 926094, 1384162, 1650347, 1852188, 2076243, 2768324, 3300694, 4152486, 4951041, 6601388, 8304972, 9902082, 19804164, 21454511, 42909022, 64363533, 85818044, 128727066, 257454132]

約数ペア:

[(1, 257454132), (2, 128727066), (3, 85818044), (4, 64363533), (6, 42909022), (12, 21454511), (13, 19804164), (26, 9902082), (31, 8304972), (39, 6601388), (52, 4951041), (62, 4152486), (78, 3300694), (93, 2768324), (124, 2076243), (139, 1852188), (156, 1650347), (186, 1384162), (278, 926094), (372, 692081), (383, 672204), (403, 638844), (417, 617396), (556, 463047), (766, 336102), (806, 319422), (834, 308698), (1149, 224068), (1209, 212948), (1532, 168051), (1612, 159711), (1668, 154349), (1807, 142476), (2298, 112034), (2418, 106474), (3614, 71238), (4309, 59748), (4596, 56017), (4836, 53237), (4979, 51708), (5421, 47492), (7228, 35619), (8618, 29874), (9958, 25854), (10842, 23746), (11873, 21684), (12927, 19916), (14937, 17236)]