31305924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 85979712

約数和(自身を除く): 54673788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 443, 453, 468, 604, 886, 906, 1329, 1359, 1772, 1812, 1963, 2658, 2718, 3926, 3987, 5316, 5436, 5759, 5889, 7852, 7974, 11518, 11778, 15948, 17277, 17667, 23036, 23556, 34554, 35334, 51831, 66893, 69108, 70668, 103662, 133786, 200679, 207324, 267572, 401358, 602037, 802716, 869609, 1204074, 1739218, 2408148, 2608827, 3478436, 5217654, 7826481, 10435308, 15652962, 31305924]

約数ペア:

[(1, 31305924), (2, 15652962), (3, 10435308), (4, 7826481), (6, 5217654), (9, 3478436), (12, 2608827), (13, 2408148), (18, 1739218), (26, 1204074), (36, 869609), (39, 802716), (52, 602037), (78, 401358), (117, 267572), (151, 207324), (156, 200679), (234, 133786), (302, 103662), (443, 70668), (453, 69108), (468, 66893), (604, 51831), (886, 35334), (906, 34554), (1329, 23556), (1359, 23036), (1772, 17667), (1812, 17277), (1963, 15948), (2658, 11778), (2718, 11518), (3926, 7974), (3987, 7852), (5316, 5889), (5436, 5759)]