206907425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 288945792

約数和(自身を除く): 82038367

約数列:

[1, 5, 17, 23, 25, 61, 85, 115, 305, 347, 391, 425, 575, 1037, 1403, 1525, 1735, 1955, 5185, 5899, 7015, 7981, 8675, 9775, 21167, 23851, 25925, 29495, 35075, 39905, 105835, 119255, 135677, 147475, 199525, 359839, 486841, 529175, 596275, 678385, 1799195, 2434205, 3391925, 8276297, 8995975, 12171025, 41381485, 206907425]

約数ペア:

[(1, 206907425), (5, 41381485), (17, 12171025), (23, 8995975), (25, 8276297), (61, 3391925), (85, 2434205), (115, 1799195), (305, 678385), (347, 596275), (391, 529175), (425, 486841), (575, 359839), (1037, 199525), (1403, 147475), (1525, 135677), (1735, 119255), (1955, 105835), (5185, 39905), (5899, 35075), (7015, 29495), (7981, 25925), (8675, 23851), (9775, 21167)]