71311864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 81904136

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 151, 152, 239, 247, 302, 478, 494, 604, 956, 988, 1208, 1912, 1963, 1976, 2869, 3107, 3926, 4541, 5738, 6214, 7852, 9082, 11476, 12428, 15704, 18164, 22952, 24856, 36089, 36328, 37297, 59033, 72178, 74594, 118066, 144356, 149188, 236132, 288712, 298376, 469157, 472264, 685691, 938314, 1371382, 1876628, 2742764, 3753256, 5485528, 8913983, 17827966, 35655932, 71311864]

約数ペア:

[(1, 71311864), (2, 35655932), (4, 17827966), (8, 8913983), (13, 5485528), (19, 3753256), (26, 2742764), (38, 1876628), (52, 1371382), (76, 938314), (104, 685691), (151, 472264), (152, 469157), (239, 298376), (247, 288712), (302, 236132), (478, 149188), (494, 144356), (604, 118066), (956, 74594), (988, 72178), (1208, 59033), (1912, 37297), (1963, 36328), (1976, 36089), (2869, 24856), (3107, 22952), (3926, 18164), (4541, 15704), (5738, 12428), (6214, 11476), (7852, 9082)]