64400728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{60527}}^1$

素因数の和:60559

約数の個数: 32

約数和(自身を含む): 145267200

約数和(自身を除く): 80866472

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 60527, 121054, 242108, 423689, 484216, 847378, 1150013, 1694756, 2300026, 3389512, 4600052, 8050091, 9200104, 16100182, 32200364, 64400728]

約数ペア:

[(1, 64400728), (2, 32200364), (4, 16100182), (7, 9200104), (8, 8050091), (14, 4600052), (19, 3389512), (28, 2300026), (38, 1694756), (56, 1150013), (76, 847378), (133, 484216), (152, 423689), (266, 242108), (532, 121054), (1064, 60527)]