64631996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 140689584

約数和(自身を除く): 76057588

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 313, 361, 418, 494, 572, 626, 722, 836, 988, 1252, 1444, 2717, 3443, 3971, 4069, 4693, 5434, 5947, 6886, 7942, 8138, 9386, 10868, 11894, 13772, 15884, 16276, 18772, 23788, 44759, 51623, 65417, 77311, 89518, 103246, 112993, 130834, 154622, 179036, 206492, 225986, 261668, 309244, 451972, 850421, 1242923, 1468909, 1700842, 2485846, 2937818, 3401684, 4971692, 5875636, 16157999, 32315998, 64631996]

約数ペア:

[(1, 64631996), (2, 32315998), (4, 16157999), (11, 5875636), (13, 4971692), (19, 3401684), (22, 2937818), (26, 2485846), (38, 1700842), (44, 1468909), (52, 1242923), (76, 850421), (143, 451972), (209, 309244), (247, 261668), (286, 225986), (313, 206492), (361, 179036), (418, 154622), (494, 130834), (572, 112993), (626, 103246), (722, 89518), (836, 77311), (988, 65417), (1252, 51623), (1444, 44759), (2717, 23788), (3443, 18772), (3971, 16276), (4069, 15884), (4693, 13772), (5434, 11894), (5947, 10868), (6886, 9386), (7942, 8138)]