20150312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27024088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 311, 356, 364, 622, 623, 712, 728, 1157, 1244, 1246, 2177, 2314, 2488, 2492, 4043, 4354, 4628, 4984, 8086, 8099, 8708, 9256, 16172, 16198, 17416, 27679, 28301, 32344, 32396, 55358, 56602, 64792, 110716, 113204, 193753, 221432, 226408, 359827, 387506, 719654, 775012, 1439308, 1550024, 2518789, 2878616, 5037578, 10075156, 20150312]

約数ペア:

[(1, 20150312), (2, 10075156), (4, 5037578), (7, 2878616), (8, 2518789), (13, 1550024), (14, 1439308), (26, 775012), (28, 719654), (52, 387506), (56, 359827), (89, 226408), (91, 221432), (104, 193753), (178, 113204), (182, 110716), (311, 64792), (356, 56602), (364, 55358), (622, 32396), (623, 32344), (712, 28301), (728, 27679), (1157, 17416), (1244, 16198), (1246, 16172), (2177, 9256), (2314, 8708), (2488, 8099), (2492, 8086), (4043, 4984), (4354, 4628)]