87810604

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 179504640

約数和(自身を除く): 91694036

約数列:

[1, 2, 4, 7, 14, 28, 89, 167, 178, 211, 334, 356, 422, 623, 668, 844, 1169, 1246, 1477, 2338, 2492, 2954, 4676, 5908, 14863, 18779, 29726, 35237, 37558, 59452, 70474, 75116, 104041, 131453, 140948, 208082, 246659, 262906, 416164, 493318, 525812, 986636, 3136093, 6272186, 12544372, 21952651, 43905302, 87810604]

約数ペア:

[(1, 87810604), (2, 43905302), (4, 21952651), (7, 12544372), (14, 6272186), (28, 3136093), (89, 986636), (167, 525812), (178, 493318), (211, 416164), (334, 262906), (356, 246659), (422, 208082), (623, 140948), (668, 131453), (844, 104041), (1169, 75116), (1246, 70474), (1477, 59452), (2338, 37558), (2492, 35237), (2954, 29726), (4676, 18779), (5908, 14863)]