81411148

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 180986400

約数和(自身を除く): 99575252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 89, 91, 98, 178, 182, 196, 356, 359, 364, 623, 637, 718, 1157, 1246, 1274, 1436, 2314, 2492, 2513, 2548, 4361, 4628, 4667, 5026, 8099, 8722, 9334, 10052, 16198, 17444, 17591, 18668, 31951, 32396, 32669, 35182, 56693, 63902, 65338, 70364, 113386, 127804, 130676, 223657, 226772, 228683, 415363, 447314, 457366, 830726, 894628, 914732, 1565599, 1661452, 2907541, 3131198, 5815082, 6262396, 11630164, 20352787, 40705574, 81411148]

約数ペア:

[(1, 81411148), (2, 40705574), (4, 20352787), (7, 11630164), (13, 6262396), (14, 5815082), (26, 3131198), (28, 2907541), (49, 1661452), (52, 1565599), (89, 914732), (91, 894628), (98, 830726), (178, 457366), (182, 447314), (196, 415363), (356, 228683), (359, 226772), (364, 223657), (623, 130676), (637, 127804), (718, 113386), (1157, 70364), (1246, 65338), (1274, 63902), (1436, 56693), (2314, 35182), (2492, 32669), (2513, 32396), (2548, 31951), (4361, 18668), (4628, 17591), (4667, 17444), (5026, 16198), (8099, 10052), (8722, 9334)]