290456218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 494932536

約数和(自身を除く): 204476318

約数列:

[1, 2, 13, 26, 41, 53, 82, 97, 106, 194, 533, 689, 1066, 1261, 1378, 2173, 2522, 2809, 3977, 4346, 5141, 5618, 7954, 10282, 28249, 36517, 51701, 56498, 66833, 73034, 103402, 115169, 133666, 210781, 230338, 272473, 421562, 544946, 1497197, 2740153, 2994394, 3542149, 5480306, 7084298, 11171393, 22342786, 145228109, 290456218]

約数ペア:

[(1, 290456218), (2, 145228109), (13, 22342786), (26, 11171393), (41, 7084298), (53, 5480306), (82, 3542149), (97, 2994394), (106, 2740153), (194, 1497197), (533, 544946), (689, 421562), (1066, 272473), (1261, 230338), (1378, 210781), (2173, 133666), (2522, 115169), (2809, 103402), (3977, 73034), (4346, 66833), (5141, 56498), (5618, 51701), (7954, 36517), (10282, 28249)]