64481872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 156295552

約数和(自身を除く): 91813680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 268, 364, 469, 536, 661, 728, 871, 938, 1072, 1322, 1456, 1742, 1876, 2644, 3484, 3752, 4627, 5288, 6097, 6968, 7504, 8593, 9254, 10576, 12194, 13936, 17186, 18508, 24388, 34372, 37016, 44287, 48776, 60151, 68744, 74032, 88574, 97552, 120302, 137488, 177148, 240604, 310009, 354296, 481208, 575731, 620018, 708592, 962416, 1151462, 1240036, 2302924, 2480072, 4030117, 4605848, 4960144, 8060234, 9211696, 16120468, 32240936, 64481872]

約数ペア:

[(1, 64481872), (2, 32240936), (4, 16120468), (7, 9211696), (8, 8060234), (13, 4960144), (14, 4605848), (16, 4030117), (26, 2480072), (28, 2302924), (52, 1240036), (56, 1151462), (67, 962416), (91, 708592), (104, 620018), (112, 575731), (134, 481208), (182, 354296), (208, 310009), (268, 240604), (364, 177148), (469, 137488), (536, 120302), (661, 97552), (728, 88574), (871, 74032), (938, 68744), (1072, 60151), (1322, 48776), (1456, 44287), (1742, 37016), (1876, 34372), (2644, 24388), (3484, 18508), (3752, 17186), (4627, 13936), (5288, 12194), (6097, 10576), (6968, 9254), (7504, 8593)]