278490726

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{4357}}^1$

素因数の和:4485

約数の個数: 48

約数和(自身を含む): 624100464

約数和(自身を除く): 345609738

約数列:

[1, 2, 3, 6, 9, 18, 53, 67, 106, 134, 159, 201, 318, 402, 477, 603, 954, 1206, 3551, 4357, 7102, 8714, 10653, 13071, 21306, 26142, 31959, 39213, 63918, 78426, 230921, 291919, 461842, 583838, 692763, 875757, 1385526, 1751514, 2078289, 2627271, 4156578, 5254542, 15471707, 30943414, 46415121, 92830242, 139245363, 278490726]

約数ペア:

[(1, 278490726), (2, 139245363), (3, 92830242), (6, 46415121), (9, 30943414), (18, 15471707), (53, 5254542), (67, 4156578), (106, 2627271), (134, 2078289), (159, 1751514), (201, 1385526), (318, 875757), (402, 692763), (477, 583838), (603, 461842), (954, 291919), (1206, 230921), (3551, 78426), (4357, 63918), (7102, 39213), (8714, 31959), (10653, 26142), (13071, 21306)]