31079776

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 75814704

約数和(自身を除く): 44734928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 821, 1183, 1352, 1456, 1642, 2366, 2704, 2912, 3284, 4732, 5408, 5747, 6568, 9464, 10673, 11494, 13136, 18928, 21346, 22988, 26272, 37856, 42692, 45976, 74711, 85384, 91952, 138749, 149422, 170768, 183904, 277498, 298844, 341536, 554996, 597688, 971243, 1109992, 1195376, 1942486, 2219984, 2390752, 3884972, 4439968, 7769944, 15539888, 31079776]

約数ペア:

[(1, 31079776), (2, 15539888), (4, 7769944), (7, 4439968), (8, 3884972), (13, 2390752), (14, 2219984), (16, 1942486), (26, 1195376), (28, 1109992), (32, 971243), (52, 597688), (56, 554996), (91, 341536), (104, 298844), (112, 277498), (169, 183904), (182, 170768), (208, 149422), (224, 138749), (338, 91952), (364, 85384), (416, 74711), (676, 45976), (728, 42692), (821, 37856), (1183, 26272), (1352, 22988), (1456, 21346), (1642, 18928), (2366, 13136), (2704, 11494), (2912, 10673), (3284, 9464), (4732, 6568), (5408, 5747)]