12888291260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2915903}}^1$

素因数の和:2915942

約数の個数: 48

約数和(自身を含む): 30861927936

約数和(自身を除く): 17973636676

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 2915903, 5831806, 11663612, 14579515, 29159030, 37906739, 49570351, 58318060, 75813478, 99140702, 151626956, 189533695, 198281404, 247851755, 379067390, 495703510, 644414563, 758134780, 991407020, 1288829126, 2577658252, 3222072815, 6444145630, 12888291260]

約数ペア:

[(1, 12888291260), (2, 6444145630), (4, 3222072815), (5, 2577658252), (10, 1288829126), (13, 991407020), (17, 758134780), (20, 644414563), (26, 495703510), (34, 379067390), (52, 247851755), (65, 198281404), (68, 189533695), (85, 151626956), (130, 99140702), (170, 75813478), (221, 58318060), (260, 49570351), (340, 37906739), (442, 29159030), (884, 14579515), (1105, 11663612), (2210, 5831806), (4420, 2915903)]