644548324

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{13613}}^1$

素因数の和:13732

約数の個数: 48

約数和(自身を含む): 1372291200

約数和(自身を除く): 727742876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1691, 2492, 3382, 6764, 11837, 13613, 23674, 27226, 47348, 54452, 95291, 190582, 258647, 381164, 517294, 1034588, 1211557, 1810529, 2423114, 3621058, 4846228, 7242116, 8480899, 16961798, 23019583, 33923596, 46039166, 92078332, 161137081, 322274162, 644548324]

約数ペア:

[(1, 644548324), (2, 322274162), (4, 161137081), (7, 92078332), (14, 46039166), (19, 33923596), (28, 23019583), (38, 16961798), (76, 8480899), (89, 7242116), (133, 4846228), (178, 3621058), (266, 2423114), (356, 1810529), (532, 1211557), (623, 1034588), (1246, 517294), (1691, 381164), (2492, 258647), (3382, 190582), (6764, 95291), (11837, 54452), (13613, 47348), (23674, 27226)]