189885416

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 425088000

約数和(自身を除く): 235202584

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 89, 124, 178, 217, 248, 356, 434, 623, 712, 868, 1229, 1246, 1736, 2458, 2492, 2759, 4916, 4984, 5518, 8603, 9832, 11036, 17206, 19313, 22072, 34412, 38099, 38626, 68824, 76198, 77252, 109381, 152396, 154504, 218762, 266693, 304792, 437524, 533386, 765667, 875048, 1066772, 1531334, 2133544, 3062668, 3390811, 6125336, 6781622, 13563244, 23735677, 27126488, 47471354, 94942708, 189885416]

約数ペア:

[(1, 189885416), (2, 94942708), (4, 47471354), (7, 27126488), (8, 23735677), (14, 13563244), (28, 6781622), (31, 6125336), (56, 3390811), (62, 3062668), (89, 2133544), (124, 1531334), (178, 1066772), (217, 875048), (248, 765667), (356, 533386), (434, 437524), (623, 304792), (712, 266693), (868, 218762), (1229, 154504), (1246, 152396), (1736, 109381), (2458, 77252), (2492, 76198), (2759, 68824), (4916, 38626), (4984, 38099), (5518, 34412), (8603, 22072), (9832, 19313), (11036, 17206)]