16640916

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 23578284

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 149, 164, 227, 246, 298, 447, 454, 492, 596, 681, 894, 908, 1362, 1788, 2724, 6109, 9307, 12218, 18327, 18614, 24436, 27921, 33823, 36654, 37228, 55842, 67646, 73308, 101469, 111684, 135292, 202938, 405876, 1386743, 2773486, 4160229, 5546972, 8320458, 16640916]

約数ペア:

[(1, 16640916), (2, 8320458), (3, 5546972), (4, 4160229), (6, 2773486), (12, 1386743), (41, 405876), (82, 202938), (123, 135292), (149, 111684), (164, 101469), (227, 73308), (246, 67646), (298, 55842), (447, 37228), (454, 36654), (492, 33823), (596, 27921), (681, 24436), (894, 18614), (908, 18327), (1362, 12218), (1788, 9307), (2724, 6109)]