981767836

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1399}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 1998259200

約数和(自身を除く): 1016491364

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 353, 497, 706, 994, 1399, 1412, 1988, 2471, 2798, 4942, 5596, 9793, 9884, 19586, 25063, 39172, 50126, 99329, 100252, 175441, 198658, 350882, 397316, 493847, 695303, 701764, 987694, 1390606, 1975388, 2781212, 3456929, 6913858, 13827716, 35063137, 70126274, 140252548, 245441959, 490883918, 981767836]

約数ペア:

[(1, 981767836), (2, 490883918), (4, 245441959), (7, 140252548), (14, 70126274), (28, 35063137), (71, 13827716), (142, 6913858), (284, 3456929), (353, 2781212), (497, 1975388), (706, 1390606), (994, 987694), (1399, 701764), (1412, 695303), (1988, 493847), (2471, 397316), (2798, 350882), (4942, 198658), (5596, 175441), (9793, 100252), (9884, 99329), (19586, 50126), (25063, 39172)]