31427032

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 74088000

約数和(自身を除く): 42660968

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 881, 1274, 1372, 1762, 2548, 2744, 3524, 4459, 5096, 6167, 7048, 8918, 11453, 12334, 17836, 22906, 24668, 35672, 43169, 45812, 49336, 80171, 86338, 91624, 160342, 172676, 302183, 320684, 345352, 561197, 604366, 641368, 1122394, 1208732, 2244788, 2417464, 3928379, 4489576, 7856758, 15713516, 31427032]

約数ペア:

[(1, 31427032), (2, 15713516), (4, 7856758), (7, 4489576), (8, 3928379), (13, 2417464), (14, 2244788), (26, 1208732), (28, 1122394), (49, 641368), (52, 604366), (56, 561197), (91, 345352), (98, 320684), (104, 302183), (182, 172676), (196, 160342), (343, 91624), (364, 86338), (392, 80171), (637, 49336), (686, 45812), (728, 43169), (881, 35672), (1274, 24668), (1372, 22906), (1762, 17836), (2548, 12334), (2744, 11453), (3524, 8918), (4459, 7048), (5096, 6167)]