261322048

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 112

約数和(自身を含む): 599683840

約数和(自身を除く): 338361792

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 61, 64, 76, 104, 122, 152, 208, 244, 247, 271, 304, 416, 488, 494, 542, 608, 793, 832, 976, 988, 1084, 1159, 1216, 1586, 1952, 1976, 2168, 2318, 3172, 3523, 3904, 3952, 4336, 4636, 5149, 6344, 7046, 7904, 8672, 9272, 10298, 12688, 14092, 15067, 15808, 16531, 17344, 18544, 20596, 25376, 28184, 30134, 33062, 37088, 41192, 50752, 56368, 60268, 66124, 66937, 74176, 82384, 112736, 120536, 132248, 133874, 164768, 214903, 225472, 241072, 264496, 267748, 314089, 329536, 429806, 482144, 528992, 535496, 628178, 859612, 964288, 1057984, 1070992, 1256356, 1719224, 2141984, 2512712, 3438448, 4083157, 4283968, 5025424, 6876896, 8166314, 10050848, 13753792, 16332628, 20101696, 32665256, 65330512, 130661024, 261322048]

約数ペア:

[(1, 261322048), (2, 130661024), (4, 65330512), (8, 32665256), (13, 20101696), (16, 16332628), (19, 13753792), (26, 10050848), (32, 8166314), (38, 6876896), (52, 5025424), (61, 4283968), (64, 4083157), (76, 3438448), (104, 2512712), (122, 2141984), (152, 1719224), (208, 1256356), (244, 1070992), (247, 1057984), (271, 964288), (304, 859612), (416, 628178), (488, 535496), (494, 528992), (542, 482144), (608, 429806), (793, 329536), (832, 314089), (976, 267748), (988, 264496), (1084, 241072), (1159, 225472), (1216, 214903), (1586, 164768), (1952, 133874), (1976, 132248), (2168, 120536), (2318, 112736), (3172, 82384), (3523, 74176), (3904, 66937), (3952, 66124), (4336, 60268), (4636, 56368), (5149, 50752), (6344, 41192), (7046, 37088), (7904, 33062), (8672, 30134), (9272, 28184), (10298, 25376), (12688, 20596), (14092, 18544), (15067, 17344), (15808, 16531)]