631141648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{17431}}^1$

素因数の和:17543

約数の個数: 40

約数和(自身を含む): 1279648256

約数和(自身を除く): 648506608

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 1168, 2263, 4526, 9052, 17431, 18104, 34862, 36208, 69724, 139448, 278896, 540361, 1080722, 1272463, 2161444, 2544926, 4322888, 5089852, 8645776, 10179704, 20359408, 39446353, 78892706, 157785412, 315570824, 631141648]

約数ペア:

[(1, 631141648), (2, 315570824), (4, 157785412), (8, 78892706), (16, 39446353), (31, 20359408), (62, 10179704), (73, 8645776), (124, 5089852), (146, 4322888), (248, 2544926), (292, 2161444), (496, 1272463), (584, 1080722), (1168, 540361), (2263, 278896), (4526, 139448), (9052, 69724), (17431, 36208), (18104, 34862)]