257208908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6199}}^1$

素因数の和:6278

約数の個数: 48

約数和(自身を含む): 524966400

約数和(自身を除く): 267757492

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 506, 902, 943, 1012, 1804, 1886, 3772, 6199, 10373, 12398, 20746, 24796, 41492, 68189, 136378, 142577, 254159, 272756, 285154, 508318, 570308, 1016636, 1568347, 2795749, 3136694, 5591498, 5845657, 6273388, 11182996, 11691314, 23382628, 64302227, 128604454, 257208908]

約数ペア:

[(1, 257208908), (2, 128604454), (4, 64302227), (11, 23382628), (22, 11691314), (23, 11182996), (41, 6273388), (44, 5845657), (46, 5591498), (82, 3136694), (92, 2795749), (164, 1568347), (253, 1016636), (451, 570308), (506, 508318), (902, 285154), (943, 272756), (1012, 254159), (1804, 142577), (1886, 136378), (3772, 68189), (6199, 41492), (10373, 24796), (12398, 20746)]