25871236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 50176000

約数和(自身を除く): 24304764

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 79, 124, 139, 158, 278, 316, 556, 589, 1178, 1501, 2356, 2449, 2641, 3002, 4309, 4898, 5282, 6004, 8618, 9796, 10564, 10981, 17236, 21962, 43924, 46531, 81871, 93062, 163742, 186124, 208639, 327484, 340411, 417278, 680822, 834556, 1361644, 6467809, 12935618, 25871236]

約数ペア:

[(1, 25871236), (2, 12935618), (4, 6467809), (19, 1361644), (31, 834556), (38, 680822), (62, 417278), (76, 340411), (79, 327484), (124, 208639), (139, 186124), (158, 163742), (278, 93062), (316, 81871), (556, 46531), (589, 43924), (1178, 21962), (1501, 17236), (2356, 10981), (2449, 10564), (2641, 9796), (3002, 8618), (4309, 6004), (4898, 5282)]