665631484

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3803}}^1$

素因数の和:3887

約数の個数: 72

約数和(自身を含む): 1457084160

約数和(自身を除く): 791452676

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 532, 658, 893, 931, 1316, 1786, 1862, 2303, 3572, 3724, 3803, 4606, 6251, 7606, 9212, 12502, 15212, 25004, 26621, 43757, 53242, 72257, 87514, 106484, 144514, 175028, 178741, 186347, 289028, 357482, 372694, 505799, 714964, 745388, 1011598, 1251187, 2023196, 2502374, 3396079, 3540593, 5004748, 6792158, 7081186, 8758309, 13584316, 14162372, 17516618, 23772553, 35033236, 47545106, 95090212, 166407871, 332815742, 665631484]

約数ペア:

[(1, 665631484), (2, 332815742), (4, 166407871), (7, 95090212), (14, 47545106), (19, 35033236), (28, 23772553), (38, 17516618), (47, 14162372), (49, 13584316), (76, 8758309), (94, 7081186), (98, 6792158), (133, 5004748), (188, 3540593), (196, 3396079), (266, 2502374), (329, 2023196), (532, 1251187), (658, 1011598), (893, 745388), (931, 714964), (1316, 505799), (1786, 372694), (1862, 357482), (2303, 289028), (3572, 186347), (3724, 178741), (3803, 175028), (4606, 144514), (6251, 106484), (7606, 87514), (9212, 72257), (12502, 53242), (15212, 43757), (25004, 26621)]