689545648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2786

約数の個数: 80

約数和(自身を含む): 1537044480

約数和(自身を除く): 847498832

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 517, 682, 752, 1034, 1364, 1457, 2068, 2689, 2728, 2914, 4136, 5378, 5456, 5828, 8272, 10756, 11656, 16027, 21512, 23312, 29579, 32054, 43024, 59158, 64108, 83359, 118316, 126383, 128216, 166718, 236632, 252766, 256432, 333436, 473264, 505532, 666872, 916949, 1011064, 1333744, 1390213, 1833898, 2022128, 2780426, 3667796, 3917873, 5560852, 7335592, 7835746, 11121704, 14671184, 15671492, 22243408, 31342984, 43096603, 62685968, 86193206, 172386412, 344772824, 689545648]

約数ペア:

[(1, 689545648), (2, 344772824), (4, 172386412), (8, 86193206), (11, 62685968), (16, 43096603), (22, 31342984), (31, 22243408), (44, 15671492), (47, 14671184), (62, 11121704), (88, 7835746), (94, 7335592), (124, 5560852), (176, 3917873), (188, 3667796), (248, 2780426), (341, 2022128), (376, 1833898), (496, 1390213), (517, 1333744), (682, 1011064), (752, 916949), (1034, 666872), (1364, 505532), (1457, 473264), (2068, 333436), (2689, 256432), (2728, 252766), (2914, 236632), (4136, 166718), (5378, 128216), (5456, 126383), (5828, 118316), (8272, 83359), (10756, 64108), (11656, 59158), (16027, 43024), (21512, 32054), (23312, 29579)]