81420178

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1709}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 63368942

約数列:

[1, 2, 7, 14, 41, 82, 83, 166, 287, 574, 581, 1162, 1709, 3403, 3418, 6806, 11963, 23821, 23926, 47642, 70069, 140138, 141847, 283694, 490483, 980966, 992929, 1985858, 5815727, 11631454, 40710089, 81420178]

約数ペア:

[(1, 81420178), (2, 40710089), (7, 11631454), (14, 5815727), (41, 1985858), (82, 992929), (83, 980966), (166, 490483), (287, 283694), (574, 141847), (581, 140138), (1162, 70069), (1709, 47642), (3403, 23926), (3418, 23821), (6806, 11963)]