1561922138

素因数分解:

$2^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 2759119200

約数和(自身を除く): 1197197062

約数列:

[1, 2, 7, 14, 49, 98, 179, 269, 331, 358, 538, 662, 1253, 1883, 2317, 2506, 3766, 4634, 8771, 13181, 16219, 17542, 26362, 32438, 48151, 59249, 89039, 96302, 118498, 178078, 337057, 414743, 623273, 674114, 829486, 1246546, 2359399, 2903201, 4362911, 4718798, 5806402, 8725822, 15937981, 31875962, 111565867, 223131734, 780961069, 1561922138]

約数ペア:

[(1, 1561922138), (2, 780961069), (7, 223131734), (14, 111565867), (49, 31875962), (98, 15937981), (179, 8725822), (269, 5806402), (331, 4718798), (358, 4362911), (538, 2903201), (662, 2359399), (1253, 1246546), (1883, 829486), (2317, 674114), (2506, 623273), (3766, 414743), (4634, 337057), (8771, 178078), (13181, 118498), (16219, 96302), (17542, 89039), (26362, 59249), (32438, 48151)]