25981844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 29175916

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 809, 868, 1036, 1147, 1618, 2294, 3236, 4588, 5663, 8029, 11326, 16058, 22652, 25079, 29933, 32116, 50158, 59866, 100316, 119732, 175553, 209531, 351106, 419062, 702212, 838124, 927923, 1855846, 3711692, 6495461, 12990922, 25981844]

約数ペア:

[(1, 25981844), (2, 12990922), (4, 6495461), (7, 3711692), (14, 1855846), (28, 927923), (31, 838124), (37, 702212), (62, 419062), (74, 351106), (124, 209531), (148, 175553), (217, 119732), (259, 100316), (434, 59866), (518, 50158), (809, 32116), (868, 29933), (1036, 25079), (1147, 22652), (1618, 16058), (2294, 11326), (3236, 8029), (4588, 5663)]