42728270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 84352752

約数和(自身を除く): 41624482

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 169, 193, 262, 338, 386, 655, 845, 965, 1310, 1690, 1703, 1930, 2509, 3406, 5018, 8515, 12545, 17030, 22139, 25090, 25283, 32617, 44278, 50566, 65234, 110695, 126415, 163085, 221390, 252830, 326170, 328679, 657358, 1643395, 3286790, 4272827, 8545654, 21364135, 42728270]

約数ペア:

[(1, 42728270), (2, 21364135), (5, 8545654), (10, 4272827), (13, 3286790), (26, 1643395), (65, 657358), (130, 328679), (131, 326170), (169, 252830), (193, 221390), (262, 163085), (338, 126415), (386, 110695), (655, 65234), (845, 50566), (965, 44278), (1310, 32617), (1690, 25283), (1703, 25090), (1930, 22139), (2509, 17030), (3406, 12545), (5018, 8515)]