648188604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{4937}}^1$

素因数の和:5475

約数の個数: 72

約数和(自身を含む): 1876519008

約数和(自身を除く): 1228330404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1563, 2084, 3126, 3647, 4689, 4937, 6252, 7294, 9378, 9874, 10941, 14588, 14811, 18756, 19748, 21882, 29622, 32823, 34559, 43764, 44433, 59244, 65646, 69118, 88866, 103677, 131292, 138236, 177732, 207354, 311031, 414708, 622062, 1244124, 2572177, 5144354, 7716531, 10288708, 15433062, 18005239, 23149593, 30866124, 36010478, 46299186, 54015717, 72020956, 92598372, 108031434, 162047151, 216062868, 324094302, 648188604]

約数ペア:

[(1, 648188604), (2, 324094302), (3, 216062868), (4, 162047151), (6, 108031434), (7, 92598372), (9, 72020956), (12, 54015717), (14, 46299186), (18, 36010478), (21, 30866124), (28, 23149593), (36, 18005239), (42, 15433062), (63, 10288708), (84, 7716531), (126, 5144354), (252, 2572177), (521, 1244124), (1042, 622062), (1563, 414708), (2084, 311031), (3126, 207354), (3647, 177732), (4689, 138236), (4937, 131292), (6252, 103677), (7294, 88866), (9378, 69118), (9874, 65646), (10941, 59244), (14588, 44433), (14811, 43764), (18756, 34559), (19748, 32823), (21882, 29622)]