31897216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 70900200

約数和(自身を除く): 39002984

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 377, 416, 464, 661, 754, 832, 928, 1322, 1508, 1664, 1856, 2644, 3016, 3712, 5288, 6032, 8593, 10576, 12064, 17186, 19169, 21152, 24128, 34372, 38338, 42304, 48256, 68744, 76676, 84608, 137488, 153352, 249197, 274976, 306704, 498394, 549952, 613408, 996788, 1099904, 1226816, 1993576, 2453632, 3987152, 7974304, 15948608, 31897216]

約数ペア:

[(1, 31897216), (2, 15948608), (4, 7974304), (8, 3987152), (13, 2453632), (16, 1993576), (26, 1226816), (29, 1099904), (32, 996788), (52, 613408), (58, 549952), (64, 498394), (104, 306704), (116, 274976), (128, 249197), (208, 153352), (232, 137488), (377, 84608), (416, 76676), (464, 68744), (661, 48256), (754, 42304), (832, 38338), (928, 34372), (1322, 24128), (1508, 21152), (1664, 19169), (1856, 17186), (2644, 12064), (3016, 10576), (3712, 8593), (5288, 6032)]