145889905

素因数分解:

$5^1\times 7^3\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 205574400

約数和(自身を除く): 59684495

約数列:

[1, 5, 7, 35, 49, 245, 257, 331, 343, 1285, 1655, 1715, 1799, 2317, 8995, 11585, 12593, 16219, 62965, 81095, 85067, 88151, 113533, 425335, 440755, 567665, 595469, 2977345, 4168283, 20841415, 29177981, 145889905]

約数ペア:

[(1, 145889905), (5, 29177981), (7, 20841415), (35, 4168283), (49, 2977345), (245, 595469), (257, 567665), (331, 440755), (343, 425335), (1285, 113533), (1655, 88151), (1715, 85067), (1799, 81095), (2317, 62965), (8995, 16219), (11585, 12593)]