490739158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 916206336

約数和(自身を除く): 425467178

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 211, 338, 422, 983, 1183, 1477, 1966, 2366, 2743, 2954, 5486, 6881, 12779, 13762, 19201, 25558, 35659, 38402, 71318, 89453, 166127, 178906, 207413, 249613, 332254, 414826, 499226, 1162889, 1451891, 2325778, 2696369, 2903782, 5392738, 18874583, 35052797, 37749166, 70105594, 245369579, 490739158]

約数ペア:

[(1, 490739158), (2, 245369579), (7, 70105594), (13, 37749166), (14, 35052797), (26, 18874583), (91, 5392738), (169, 2903782), (182, 2696369), (211, 2325778), (338, 1451891), (422, 1162889), (983, 499226), (1183, 414826), (1477, 332254), (1966, 249613), (2366, 207413), (2743, 178906), (2954, 166127), (5486, 89453), (6881, 71318), (12779, 38402), (13762, 35659), (19201, 25558)]