661841024

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 1484406000

約数和(自身を除く): 822564976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 89, 104, 109, 128, 164, 178, 208, 218, 328, 356, 416, 436, 533, 656, 712, 832, 872, 1066, 1157, 1312, 1417, 1424, 1664, 1744, 2132, 2314, 2624, 2834, 2848, 3488, 3649, 4264, 4469, 4628, 5248, 5668, 5696, 6976, 7298, 8528, 8938, 9256, 9701, 11336, 11392, 13952, 14596, 17056, 17876, 18512, 19402, 22672, 29192, 34112, 35752, 37024, 38804, 45344, 47437, 58097, 58384, 68224, 71504, 74048, 77608, 90688, 94874, 116194, 116768, 126113, 143008, 148096, 155216, 181376, 189748, 232388, 233536, 252226, 286016, 310432, 379496, 397741, 464776, 467072, 504452, 572032, 620864, 758992, 795482, 929552, 1008904, 1241728, 1517984, 1590964, 1859104, 2017808, 3035968, 3181928, 3718208, 4035616, 5170633, 6071936, 6363856, 7436416, 8071232, 10341266, 12727712, 16142464, 20682532, 25455424, 41365064, 50910848, 82730128, 165460256, 330920512, 661841024]

約数ペア:

[(1, 661841024), (2, 330920512), (4, 165460256), (8, 82730128), (13, 50910848), (16, 41365064), (26, 25455424), (32, 20682532), (41, 16142464), (52, 12727712), (64, 10341266), (82, 8071232), (89, 7436416), (104, 6363856), (109, 6071936), (128, 5170633), (164, 4035616), (178, 3718208), (208, 3181928), (218, 3035968), (328, 2017808), (356, 1859104), (416, 1590964), (436, 1517984), (533, 1241728), (656, 1008904), (712, 929552), (832, 795482), (872, 758992), (1066, 620864), (1157, 572032), (1312, 504452), (1417, 467072), (1424, 464776), (1664, 397741), (1744, 379496), (2132, 310432), (2314, 286016), (2624, 252226), (2834, 233536), (2848, 232388), (3488, 189748), (3649, 181376), (4264, 155216), (4469, 148096), (4628, 143008), (5248, 126113), (5668, 116768), (5696, 116194), (6976, 94874), (7298, 90688), (8528, 77608), (8938, 74048), (9256, 71504), (9701, 68224), (11336, 58384), (11392, 58097), (13952, 47437), (14596, 45344), (17056, 38804), (17876, 37024), (18512, 35752), (19402, 34112), (22672, 29192)]