81651892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 177479680

約数和(自身を除く): 95827788

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 4951, 8246, 9902, 16492, 19804, 34657, 69314, 94069, 138628, 153481, 188138, 306962, 376276, 613924, 658483, 1074367, 1316966, 2148734, 2633932, 2916139, 4297468, 5832278, 11664556, 20412973, 40825946, 81651892]

約数ペア:

[(1, 81651892), (2, 40825946), (4, 20412973), (7, 11664556), (14, 5832278), (19, 4297468), (28, 2916139), (31, 2633932), (38, 2148734), (62, 1316966), (76, 1074367), (124, 658483), (133, 613924), (217, 376276), (266, 306962), (434, 188138), (532, 153481), (589, 138628), (868, 94069), (1178, 69314), (2356, 34657), (4123, 19804), (4951, 16492), (8246, 9902)]