261660618

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{7243}}^1$

素因数の和:7480

約数の個数: 40

約数和(自身を含む): 589024128

約数和(自身を除く): 327363510

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 669, 1338, 2007, 4014, 6021, 7243, 12042, 14486, 18063, 21729, 36126, 43458, 65187, 130374, 195561, 391122, 586683, 1173366, 1615189, 3230378, 4845567, 9691134, 14536701, 29073402, 43610103, 87220206, 130830309, 261660618]

約数ペア:

[(1, 261660618), (2, 130830309), (3, 87220206), (6, 43610103), (9, 29073402), (18, 14536701), (27, 9691134), (54, 4845567), (81, 3230378), (162, 1615189), (223, 1173366), (446, 586683), (669, 391122), (1338, 195561), (2007, 130374), (4014, 65187), (6021, 43458), (7243, 36126), (12042, 21729), (14486, 18063)]