201828556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 381870720

約数和(自身を除く): 180042164

約数列:

[1, 2, 4, 17, 34, 68, 131, 139, 163, 262, 278, 326, 524, 556, 652, 2227, 2363, 2771, 4454, 4726, 5542, 8908, 9452, 11084, 18209, 21353, 22657, 36418, 42706, 45314, 72836, 85412, 90628, 309553, 363001, 385169, 619106, 726002, 770338, 1238212, 1452004, 1540676, 2968067, 5936134, 11872268, 50457139, 100914278, 201828556]

約数ペア:

[(1, 201828556), (2, 100914278), (4, 50457139), (17, 11872268), (34, 5936134), (68, 2968067), (131, 1540676), (139, 1452004), (163, 1238212), (262, 770338), (278, 726002), (326, 619106), (524, 385169), (556, 363001), (652, 309553), (2227, 90628), (2363, 85412), (2771, 72836), (4454, 45314), (4726, 42706), (5542, 36418), (8908, 22657), (9452, 21353), (11084, 18209)]