279490428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15193}}^1$

素因数の和:15283

約数の個数: 72

約数和(自身を含む): 818531168

約数和(自身を除く): 539040740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 2044, 2628, 3066, 4599, 6132, 9198, 15193, 18396, 30386, 45579, 60772, 91158, 106351, 136737, 182316, 212702, 273474, 319053, 425404, 546948, 638106, 957159, 1109089, 1276212, 1914318, 2218178, 3327267, 3828636, 4436356, 6654534, 7763623, 9981801, 13309068, 15527246, 19963602, 23290869, 31054492, 39927204, 46581738, 69872607, 93163476, 139745214, 279490428]

約数ペア:

[(1, 279490428), (2, 139745214), (3, 93163476), (4, 69872607), (6, 46581738), (7, 39927204), (9, 31054492), (12, 23290869), (14, 19963602), (18, 15527246), (21, 13309068), (28, 9981801), (36, 7763623), (42, 6654534), (63, 4436356), (73, 3828636), (84, 3327267), (126, 2218178), (146, 1914318), (219, 1276212), (252, 1109089), (292, 957159), (438, 638106), (511, 546948), (657, 425404), (876, 319053), (1022, 273474), (1314, 212702), (1533, 182316), (2044, 136737), (2628, 106351), (3066, 91158), (4599, 60772), (6132, 45579), (9198, 30386), (15193, 18396)]