638952496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{33757}}^1$

素因数の和:33798

約数の個数: 60

約数和(自身を含む): 1532073072

約数和(自身を除く): 893120576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 33757, 67514, 135028, 236299, 270056, 438841, 472598, 540112, 877682, 945196, 1755364, 1890392, 3071887, 3510728, 3780784, 5704933, 6143774, 7021456, 11409866, 12287548, 22819732, 24575096, 39934531, 45639464, 49150192, 79869062, 91278928, 159738124, 319476248, 638952496]

約数ペア:

[(1, 638952496), (2, 319476248), (4, 159738124), (7, 91278928), (8, 79869062), (13, 49150192), (14, 45639464), (16, 39934531), (26, 24575096), (28, 22819732), (52, 12287548), (56, 11409866), (91, 7021456), (104, 6143774), (112, 5704933), (169, 3780784), (182, 3510728), (208, 3071887), (338, 1890392), (364, 1755364), (676, 945196), (728, 877682), (1183, 540112), (1352, 472598), (1456, 438841), (2366, 270056), (2704, 236299), (4732, 135028), (9464, 67514), (18928, 33757)]