131005989212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{601309}}^1$

素因数の和:601602

約数の個数: 48

約数和(自身を含む): 271541975040

約数和(自身を除く): 140535985828

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 251, 434, 502, 868, 1004, 1757, 3514, 7028, 7781, 15562, 31124, 54467, 108934, 217868, 601309, 1202618, 2405236, 4209163, 8418326, 16836652, 18640579, 37281158, 74562316, 130484053, 150928559, 260968106, 301857118, 521936212, 603714236, 1056499913, 2112999826, 4225999652, 4678785329, 9357570658, 18715141316, 32751497303, 65502994606, 131005989212]

約数ペア:

[(1, 131005989212), (2, 65502994606), (4, 32751497303), (7, 18715141316), (14, 9357570658), (28, 4678785329), (31, 4225999652), (62, 2112999826), (124, 1056499913), (217, 603714236), (251, 521936212), (434, 301857118), (502, 260968106), (868, 150928559), (1004, 130484053), (1757, 74562316), (3514, 37281158), (7028, 18640579), (7781, 16836652), (15562, 8418326), (31124, 4209163), (54467, 2405236), (108934, 1202618), (217868, 601309)]