129973490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{12907}}^1$

素因数の和:12986

約数の個数: 32

約数和(自身を含む): 250931520

約数和(自身を除く): 120958030

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 5035, 10070, 12907, 25814, 64535, 129070, 245233, 490466, 684071, 1226165, 1368142, 2452330, 3420355, 6840710, 12997349, 25994698, 64986745, 129973490]

約数ペア:

[(1, 129973490), (2, 64986745), (5, 25994698), (10, 12997349), (19, 6840710), (38, 3420355), (53, 2452330), (95, 1368142), (106, 1226165), (190, 684071), (265, 490466), (530, 245233), (1007, 129070), (2014, 64535), (5035, 25814), (10070, 12907)]