1212253981204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1\times {\mathrm{1391981}}^1$

素因数の和:1393648

約数の個数: 48

約数和(自身を含む): 2553674497920

約数和(自身を除く): 1341420516716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1637, 3274, 6548, 11459, 22918, 31103, 45836, 62206, 124412, 217721, 435442, 870884, 1391981, 2783962, 5567924, 9743867, 19487734, 26447639, 38975468, 52895278, 105790556, 185133473, 370266946, 740533892, 2278672897, 4557345794, 9114691588, 15950710279, 31901420558, 43294785043, 63802841116, 86589570086, 173179140172, 303063495301, 606126990602, 1212253981204]

約数ペア:

[(1, 1212253981204), (2, 606126990602), (4, 303063495301), (7, 173179140172), (14, 86589570086), (19, 63802841116), (28, 43294785043), (38, 31901420558), (76, 15950710279), (133, 9114691588), (266, 4557345794), (532, 2278672897), (1637, 740533892), (3274, 370266946), (6548, 185133473), (11459, 105790556), (22918, 52895278), (31103, 38975468), (45836, 26447639), (62206, 19487734), (124412, 9743867), (217721, 5567924), (435442, 2783962), (870884, 1391981)]