28735252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 33922028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 887, 1157, 1246, 1774, 2314, 2492, 3548, 4628, 6209, 8099, 11531, 12418, 16198, 23062, 24836, 32396, 46124, 78943, 80717, 157886, 161434, 315772, 322868, 552601, 1026259, 1105202, 2052518, 2210404, 4105036, 7183813, 14367626, 28735252]

約数ペア:

[(1, 28735252), (2, 14367626), (4, 7183813), (7, 4105036), (13, 2210404), (14, 2052518), (26, 1105202), (28, 1026259), (52, 552601), (89, 322868), (91, 315772), (178, 161434), (182, 157886), (356, 80717), (364, 78943), (623, 46124), (887, 32396), (1157, 24836), (1246, 23062), (1774, 16198), (2314, 12418), (2492, 11531), (3548, 8099), (4628, 6209)]