128512386

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 295021440

約数和(自身を除く): 166509054

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 83, 106, 159, 166, 249, 318, 477, 498, 541, 747, 954, 1082, 1431, 1494, 1623, 2241, 2862, 3246, 4399, 4482, 4869, 8798, 9738, 13197, 14607, 26394, 28673, 29214, 39591, 44903, 57346, 79182, 86019, 89806, 118773, 134709, 172038, 237546, 258057, 269418, 404127, 516114, 774171, 808254, 1212381, 1548342, 2379859, 2424762, 4759718, 7139577, 14279154, 21418731, 42837462, 64256193, 128512386]

約数ペア:

[(1, 128512386), (2, 64256193), (3, 42837462), (6, 21418731), (9, 14279154), (18, 7139577), (27, 4759718), (53, 2424762), (54, 2379859), (83, 1548342), (106, 1212381), (159, 808254), (166, 774171), (249, 516114), (318, 404127), (477, 269418), (498, 258057), (541, 237546), (747, 172038), (954, 134709), (1082, 118773), (1431, 89806), (1494, 86019), (1623, 79182), (2241, 57346), (2862, 44903), (3246, 39591), (4399, 29214), (4482, 28673), (4869, 26394), (8798, 14607), (9738, 13197)]