128933588

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 269337600

約数和(自身を除く): 140404012

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 356, 434, 623, 868, 1246, 1669, 2492, 2759, 3338, 5518, 6676, 11036, 11683, 19313, 23366, 38626, 46732, 51739, 77252, 103478, 148541, 206956, 297082, 362173, 594164, 724346, 1039787, 1448692, 2079574, 4159148, 4604771, 9209542, 18419084, 32233397, 64466794, 128933588]

約数ペア:

[(1, 128933588), (2, 64466794), (4, 32233397), (7, 18419084), (14, 9209542), (28, 4604771), (31, 4159148), (62, 2079574), (89, 1448692), (124, 1039787), (178, 724346), (217, 594164), (356, 362173), (434, 297082), (623, 206956), (868, 148541), (1246, 103478), (1669, 77252), (2492, 51739), (2759, 46732), (3338, 38626), (5518, 23366), (6676, 19313), (11036, 11683)]