65541970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 137604096

約数和(自身を除く): 72062126

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 47, 65, 85, 94, 130, 170, 221, 235, 442, 470, 611, 631, 799, 1105, 1222, 1262, 1598, 2210, 3055, 3155, 3995, 6110, 6310, 7990, 8203, 10387, 10727, 16406, 20774, 21454, 29657, 41015, 51935, 53635, 59314, 82030, 103870, 107270, 139451, 148285, 278902, 296570, 385541, 504169, 697255, 771082, 1008338, 1394510, 1927705, 2520845, 3855410, 5041690, 6554197, 13108394, 32770985, 65541970]

約数ペア:

[(1, 65541970), (2, 32770985), (5, 13108394), (10, 6554197), (13, 5041690), (17, 3855410), (26, 2520845), (34, 1927705), (47, 1394510), (65, 1008338), (85, 771082), (94, 697255), (130, 504169), (170, 385541), (221, 296570), (235, 278902), (442, 148285), (470, 139451), (611, 107270), (631, 103870), (799, 82030), (1105, 59314), (1222, 53635), (1262, 51935), (1598, 41015), (2210, 29657), (3055, 21454), (3155, 20774), (3995, 16406), (6110, 10727), (6310, 10387), (7990, 8203)]