631465198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 1214478720

約数和(自身を除く): 583013522

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 181, 182, 203, 362, 377, 406, 661, 754, 1267, 1322, 2353, 2534, 2639, 4627, 4706, 5249, 5278, 8593, 9254, 10498, 16471, 17186, 19169, 32942, 36743, 38338, 60151, 68237, 73486, 119641, 120302, 134183, 136474, 239282, 249197, 268366, 477659, 498394, 837487, 955318, 1555333, 1674974, 1744379, 3110666, 3469589, 3488758, 6939178, 10887331, 21774662, 24287123, 45104657, 48574246, 90209314, 315732599, 631465198]

約数ペア:

[(1, 631465198), (2, 315732599), (7, 90209314), (13, 48574246), (14, 45104657), (26, 24287123), (29, 21774662), (58, 10887331), (91, 6939178), (181, 3488758), (182, 3469589), (203, 3110666), (362, 1744379), (377, 1674974), (406, 1555333), (661, 955318), (754, 837487), (1267, 498394), (1322, 477659), (2353, 268366), (2534, 249197), (2639, 239282), (4627, 136474), (4706, 134183), (5249, 120302), (5278, 119641), (8593, 73486), (9254, 68237), (10498, 60151), (16471, 38338), (17186, 36743), (19169, 32942)]