251155832

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 512870400

約数和(自身を除く): 261714568

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 191, 211, 328, 382, 422, 764, 779, 844, 1528, 1558, 1688, 3116, 3629, 4009, 6232, 7258, 7831, 8018, 8651, 14516, 15662, 16036, 17302, 29032, 31324, 32072, 34604, 40301, 62648, 69208, 80602, 148789, 161204, 164369, 297578, 322408, 328738, 595156, 657476, 765719, 1190312, 1314952, 1531438, 1652341, 3062876, 3304682, 6125752, 6609364, 13218728, 31394479, 62788958, 125577916, 251155832]

約数ペア:

[(1, 251155832), (2, 125577916), (4, 62788958), (8, 31394479), (19, 13218728), (38, 6609364), (41, 6125752), (76, 3304682), (82, 3062876), (152, 1652341), (164, 1531438), (191, 1314952), (211, 1190312), (328, 765719), (382, 657476), (422, 595156), (764, 328738), (779, 322408), (844, 297578), (1528, 164369), (1558, 161204), (1688, 148789), (3116, 80602), (3629, 69208), (4009, 62648), (6232, 40301), (7258, 34604), (7831, 32072), (8018, 31324), (8651, 29032), (14516, 17302), (15662, 16036)]