81905252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8423}}^1$

素因数の和:8468

約数の個数: 48

約数和(自身を含む): 178319232

約数和(自身を除く): 96413980

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 8423, 9724, 16846, 33692, 92653, 109499, 143191, 185306, 218998, 286382, 370612, 437996, 572764, 1204489, 1575101, 1861483, 2408978, 3150202, 3722966, 4817956, 6300404, 7445932, 20476313, 40952626, 81905252]

約数ペア:

[(1, 81905252), (2, 40952626), (4, 20476313), (11, 7445932), (13, 6300404), (17, 4817956), (22, 3722966), (26, 3150202), (34, 2408978), (44, 1861483), (52, 1575101), (68, 1204489), (143, 572764), (187, 437996), (221, 370612), (286, 286382), (374, 218998), (442, 185306), (572, 143191), (748, 109499), (884, 92653), (2431, 33692), (4862, 16846), (8423, 9724)]