256615638

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{7963}}^1$

素因数の和:8140

約数の個数: 32

約数和(自身を含む): 529828992

約数和(自身を除く): 273213354

約数列:

[1, 2, 3, 6, 41, 82, 123, 131, 246, 262, 393, 786, 5371, 7963, 10742, 15926, 16113, 23889, 32226, 47778, 326483, 652966, 979449, 1043153, 1958898, 2086306, 3129459, 6258918, 42769273, 85538546, 128307819, 256615638]

約数ペア:

[(1, 256615638), (2, 128307819), (3, 85538546), (6, 42769273), (41, 6258918), (82, 3129459), (123, 2086306), (131, 1958898), (246, 1043153), (262, 979449), (393, 652966), (786, 326483), (5371, 47778), (7963, 32226), (10742, 23889), (15926, 16113)]