87278724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{743}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 238859712

約数和(自身を除く): 151580988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 251, 468, 502, 743, 753, 1004, 1486, 1506, 2229, 2259, 2972, 3012, 3263, 4458, 4518, 6526, 6687, 8916, 9036, 9659, 9789, 13052, 13374, 19318, 19578, 26748, 28977, 29367, 38636, 39156, 57954, 58734, 86931, 115908, 117468, 173862, 186493, 347724, 372986, 559479, 745972, 1118958, 1678437, 2237916, 2424409, 3356874, 4848818, 6713748, 7273227, 9697636, 14546454, 21819681, 29092908, 43639362, 87278724]

約数ペア:

[(1, 87278724), (2, 43639362), (3, 29092908), (4, 21819681), (6, 14546454), (9, 9697636), (12, 7273227), (13, 6713748), (18, 4848818), (26, 3356874), (36, 2424409), (39, 2237916), (52, 1678437), (78, 1118958), (117, 745972), (156, 559479), (234, 372986), (251, 347724), (468, 186493), (502, 173862), (743, 117468), (753, 115908), (1004, 86931), (1486, 58734), (1506, 57954), (2229, 39156), (2259, 38636), (2972, 29367), (3012, 28977), (3263, 26748), (4458, 19578), (4518, 19318), (6526, 13374), (6687, 13052), (8916, 9789), (9036, 9659)]