257899788

素因数分解:

$2^2\times 3^8\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 700994112

約数和(自身を除く): 443094324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 317, 324, 372, 486, 558, 634, 729, 837, 951, 972, 1116, 1268, 1458, 1674, 1902, 2187, 2511, 2853, 2916, 3348, 3804, 4374, 5022, 5706, 6561, 7533, 8559, 8748, 9827, 10044, 11412, 13122, 15066, 17118, 19654, 22599, 25677, 26244, 29481, 30132, 34236, 39308, 45198, 51354, 58962, 67797, 77031, 88443, 90396, 102708, 117924, 135594, 154062, 176886, 203391, 231093, 265329, 271188, 308124, 353772, 406782, 462186, 530658, 693279, 795987, 813564, 924372, 1061316, 1386558, 1591974, 2079837, 2387961, 2773116, 3183948, 4159674, 4775922, 7163883, 8319348, 9551844, 14327766, 21491649, 28655532, 42983298, 64474947, 85966596, 128949894, 257899788]

約数ペア:

[(1, 257899788), (2, 128949894), (3, 85966596), (4, 64474947), (6, 42983298), (9, 28655532), (12, 21491649), (18, 14327766), (27, 9551844), (31, 8319348), (36, 7163883), (54, 4775922), (62, 4159674), (81, 3183948), (93, 2773116), (108, 2387961), (124, 2079837), (162, 1591974), (186, 1386558), (243, 1061316), (279, 924372), (317, 813564), (324, 795987), (372, 693279), (486, 530658), (558, 462186), (634, 406782), (729, 353772), (837, 308124), (951, 271188), (972, 265329), (1116, 231093), (1268, 203391), (1458, 176886), (1674, 154062), (1902, 135594), (2187, 117924), (2511, 102708), (2853, 90396), (2916, 88443), (3348, 77031), (3804, 67797), (4374, 58962), (5022, 51354), (5706, 45198), (6561, 39308), (7533, 34236), (8559, 30132), (8748, 29481), (9827, 26244), (10044, 25677), (11412, 22599), (13122, 19654), (15066, 17118)]