72080218

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 127672704

約数和(自身を除く): 55592486

約数列:

[1, 2, 7, 14, 37, 74, 227, 259, 454, 518, 613, 1226, 1589, 3178, 4291, 8399, 8582, 16798, 22681, 45362, 58793, 117586, 139151, 158767, 278302, 317534, 974057, 1948114, 5148587, 10297174, 36040109, 72080218]

約数ペア:

[(1, 72080218), (2, 36040109), (7, 10297174), (14, 5148587), (37, 1948114), (74, 974057), (227, 317534), (259, 278302), (454, 158767), (518, 139151), (613, 117586), (1226, 58793), (1589, 45362), (3178, 22681), (4291, 16798), (8399, 8582)]