208026308

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 424569600

約数和(自身を除く): 216543292

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 269, 284, 389, 497, 538, 778, 994, 1076, 1556, 1883, 1988, 2723, 3766, 5446, 7532, 10892, 19099, 27619, 38198, 55238, 76396, 104641, 110476, 133693, 193333, 209282, 267386, 386666, 418564, 534772, 732487, 773332, 1464974, 2929948, 7429511, 14859022, 29718044, 52006577, 104013154, 208026308]

約数ペア:

[(1, 208026308), (2, 104013154), (4, 52006577), (7, 29718044), (14, 14859022), (28, 7429511), (71, 2929948), (142, 1464974), (269, 773332), (284, 732487), (389, 534772), (497, 418564), (538, 386666), (778, 267386), (994, 209282), (1076, 193333), (1556, 133693), (1883, 110476), (1988, 104641), (2723, 76396), (3766, 55238), (5446, 38198), (7532, 27619), (10892, 19099)]