247714490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7331}}^1$

素因数の和:7478

約数の個数: 32

約数和(自身を含む): 464555520

約数和(自身を除く): 216841030

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 3379, 6758, 7331, 14662, 16895, 33790, 36655, 73310, 227261, 454522, 799079, 1136305, 1598158, 2272610, 3995395, 7990790, 24771449, 49542898, 123857245, 247714490]

約数ペア:

[(1, 247714490), (2, 123857245), (5, 49542898), (10, 24771449), (31, 7990790), (62, 3995395), (109, 2272610), (155, 1598158), (218, 1136305), (310, 799079), (545, 454522), (1090, 227261), (3379, 73310), (6758, 36655), (7331, 33790), (14662, 16895)]