205651852

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 419328000

約数和(自身を除く): 213676148

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 239, 316, 389, 478, 553, 778, 956, 1106, 1556, 1673, 2212, 2723, 3346, 5446, 6692, 10892, 18881, 30731, 37762, 61462, 75524, 92971, 122924, 132167, 185942, 215117, 264334, 371884, 430234, 528668, 650797, 860468, 1301594, 2603188, 7344709, 14689418, 29378836, 51412963, 102825926, 205651852]

約数ペア:

[(1, 205651852), (2, 102825926), (4, 51412963), (7, 29378836), (14, 14689418), (28, 7344709), (79, 2603188), (158, 1301594), (239, 860468), (316, 650797), (389, 528668), (478, 430234), (553, 371884), (778, 264334), (956, 215117), (1106, 185942), (1556, 132167), (1673, 122924), (2212, 92971), (2723, 75524), (3346, 61462), (5446, 37762), (6692, 30731), (10892, 18881)]