2259404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 4945920

約数和(自身を除く): 2686516

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 137, 217, 266, 274, 434, 532, 548, 589, 868, 959, 1178, 1918, 2356, 2603, 3836, 4123, 4247, 5206, 8246, 8494, 10412, 16492, 16988, 18221, 29729, 36442, 59458, 72884, 80693, 118916, 161386, 322772, 564851, 1129702, 2259404]

約数ペア:

[(1, 2259404), (2, 1129702), (4, 564851), (7, 322772), (14, 161386), (19, 118916), (28, 80693), (31, 72884), (38, 59458), (62, 36442), (76, 29729), (124, 18221), (133, 16988), (137, 16492), (217, 10412), (266, 8494), (274, 8246), (434, 5206), (532, 4247), (548, 4123), (589, 3836), (868, 2603), (959, 2356), (1178, 1918)]