25796072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 29283928

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 149, 152, 268, 298, 323, 536, 596, 646, 1139, 1192, 1273, 1292, 2278, 2533, 2546, 2584, 2831, 4556, 5066, 5092, 5662, 9112, 9983, 10132, 10184, 11324, 19966, 20264, 21641, 22648, 39932, 43282, 48127, 79864, 86564, 96254, 169711, 173128, 189677, 192508, 339422, 379354, 385016, 678844, 758708, 1357688, 1517416, 3224509, 6449018, 12898036, 25796072]

約数ペア:

[(1, 25796072), (2, 12898036), (4, 6449018), (8, 3224509), (17, 1517416), (19, 1357688), (34, 758708), (38, 678844), (67, 385016), (68, 379354), (76, 339422), (134, 192508), (136, 189677), (149, 173128), (152, 169711), (268, 96254), (298, 86564), (323, 79864), (536, 48127), (596, 43282), (646, 39932), (1139, 22648), (1192, 21641), (1273, 20264), (1292, 19966), (2278, 11324), (2533, 10184), (2546, 10132), (2584, 9983), (2831, 9112), (4556, 5662), (5066, 5092)]