289315684

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2237}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 601574400

約数和(自身を除く): 312258716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 149, 217, 298, 434, 596, 868, 1043, 2086, 2237, 4172, 4474, 4619, 8948, 9238, 15659, 18476, 31318, 32333, 62636, 64666, 69347, 129332, 138694, 277388, 333313, 485429, 666626, 970858, 1333252, 1941716, 2333191, 4666382, 9332764, 10332703, 20665406, 41330812, 72328921, 144657842, 289315684]

約数ペア:

[(1, 289315684), (2, 144657842), (4, 72328921), (7, 41330812), (14, 20665406), (28, 10332703), (31, 9332764), (62, 4666382), (124, 2333191), (149, 1941716), (217, 1333252), (298, 970858), (434, 666626), (596, 485429), (868, 333313), (1043, 277388), (2086, 138694), (2237, 129332), (4172, 69347), (4474, 64666), (4619, 62636), (8948, 32333), (9238, 31318), (15659, 18476)]