289032848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{1361}}^1$

素因数の和:2403

約数の個数: 40

約数和(自身を含む): 604112376

約数和(自身を除く): 315079528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1021, 1361, 2042, 2722, 4084, 5444, 8168, 10888, 13273, 16336, 17693, 21776, 26546, 35386, 53092, 70772, 106184, 141544, 212368, 283088, 1389581, 2779162, 5558324, 11116648, 18064553, 22233296, 36129106, 72258212, 144516424, 289032848]

約数ペア:

[(1, 289032848), (2, 144516424), (4, 72258212), (8, 36129106), (13, 22233296), (16, 18064553), (26, 11116648), (52, 5558324), (104, 2779162), (208, 1389581), (1021, 283088), (1361, 212368), (2042, 141544), (2722, 106184), (4084, 70772), (5444, 53092), (8168, 35386), (10888, 26546), (13273, 21776), (16336, 17693)]