65709590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 130870080

約数和(自身を除く): 65160490

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 89, 101, 170, 178, 202, 215, 430, 445, 505, 731, 890, 1010, 1462, 1513, 1717, 3026, 3434, 3655, 3827, 4343, 7310, 7565, 7654, 8585, 8686, 8989, 15130, 17170, 17978, 19135, 21715, 38270, 43430, 44945, 65059, 73831, 89890, 130118, 147662, 152813, 305626, 325295, 369155, 386527, 650590, 738310, 764065, 773054, 1528130, 1932635, 3865270, 6570959, 13141918, 32854795, 65709590]

約数ペア:

[(1, 65709590), (2, 32854795), (5, 13141918), (10, 6570959), (17, 3865270), (34, 1932635), (43, 1528130), (85, 773054), (86, 764065), (89, 738310), (101, 650590), (170, 386527), (178, 369155), (202, 325295), (215, 305626), (430, 152813), (445, 147662), (505, 130118), (731, 89890), (890, 73831), (1010, 65059), (1462, 44945), (1513, 43430), (1717, 38270), (3026, 21715), (3434, 19135), (3655, 17978), (3827, 17170), (4343, 15130), (7310, 8989), (7565, 8686), (7654, 8585)]