261859064

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 537213600

約数和(自身を除く): 275354536

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 101, 148, 152, 202, 296, 404, 461, 703, 808, 922, 1406, 1844, 1919, 2812, 3688, 3737, 3838, 5624, 7474, 7676, 8759, 14948, 15352, 17057, 17518, 29896, 34114, 35036, 46561, 68228, 70072, 71003, 93122, 136456, 142006, 186244, 284012, 324083, 372488, 568024, 648166, 884659, 1296332, 1722757, 1769318, 2592664, 3445514, 3538636, 6891028, 7077272, 13782056, 32732383, 65464766, 130929532, 261859064]

約数ペア:

[(1, 261859064), (2, 130929532), (4, 65464766), (8, 32732383), (19, 13782056), (37, 7077272), (38, 6891028), (74, 3538636), (76, 3445514), (101, 2592664), (148, 1769318), (152, 1722757), (202, 1296332), (296, 884659), (404, 648166), (461, 568024), (703, 372488), (808, 324083), (922, 284012), (1406, 186244), (1844, 142006), (1919, 136456), (2812, 93122), (3688, 71003), (3737, 70072), (3838, 68228), (5624, 46561), (7474, 35036), (7676, 34114), (8759, 29896), (14948, 17518), (15352, 17057)]