1620996872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 3379320000

約数和(自身を除く): 1758323128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 139, 178, 278, 356, 556, 712, 979, 1112, 1489, 1529, 1958, 2978, 3058, 3916, 5956, 6116, 7832, 11912, 12232, 12371, 16379, 24742, 32758, 49484, 65516, 98968, 131032, 132521, 136081, 206971, 265042, 272162, 413942, 530084, 544324, 827884, 1060168, 1088648, 1457731, 1655768, 2276681, 2915462, 4553362, 5830924, 9106724, 11661848, 18213448, 18420419, 36840838, 73681676, 147363352, 202624609, 405249218, 810498436, 1620996872]

約数ペア:

[(1, 1620996872), (2, 810498436), (4, 405249218), (8, 202624609), (11, 147363352), (22, 73681676), (44, 36840838), (88, 18420419), (89, 18213448), (139, 11661848), (178, 9106724), (278, 5830924), (356, 4553362), (556, 2915462), (712, 2276681), (979, 1655768), (1112, 1457731), (1489, 1088648), (1529, 1060168), (1958, 827884), (2978, 544324), (3058, 530084), (3916, 413942), (5956, 272162), (6116, 265042), (7832, 206971), (11912, 136081), (12232, 132521), (12371, 131032), (16379, 98968), (24742, 65516), (32758, 49484)]