898669828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{28631}}^1$

素因数の和:28720

約数の個数: 48

約数和(自身を含む): 1924070400

約数和(自身を除く): 1025400572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4484, 7847, 15694, 28631, 31388, 57262, 114524, 200417, 400834, 543989, 801668, 1087978, 1689229, 2175956, 3378458, 3807923, 6756916, 7615846, 11824603, 15231692, 23649206, 32095351, 47298412, 64190702, 128381404, 224667457, 449334914, 898669828]

約数ペア:

[(1, 898669828), (2, 449334914), (4, 224667457), (7, 128381404), (14, 64190702), (19, 47298412), (28, 32095351), (38, 23649206), (59, 15231692), (76, 11824603), (118, 7615846), (133, 6756916), (236, 3807923), (266, 3378458), (413, 2175956), (532, 1689229), (826, 1087978), (1121, 801668), (1652, 543989), (2242, 400834), (4484, 200417), (7847, 114524), (15694, 57262), (28631, 31388)]