261716604808

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{4019}}^1$

素因数の和:4694

約数の個数: 64

約数和(自身を含む): 498854664000

約数和(自身を除く): 237138059192

約数列:

[1, 2, 4, 8, 139, 157, 278, 314, 373, 556, 628, 746, 1112, 1256, 1492, 2984, 4019, 8038, 16076, 21823, 32152, 43646, 51847, 58561, 87292, 103694, 117122, 174584, 207388, 234244, 414776, 468488, 558641, 630983, 1117282, 1261966, 1499087, 2234564, 2523932, 2998174, 4469128, 5047864, 5996348, 8139979, 11992696, 16279958, 32559916, 65119832, 87706637, 175413274, 208373093, 235356659, 350826548, 416746186, 470713318, 701653096, 833492372, 941426636, 1666984744, 1882853272, 32714575601, 65429151202, 130858302404, 261716604808]

約数ペア:

[(1, 261716604808), (2, 130858302404), (4, 65429151202), (8, 32714575601), (139, 1882853272), (157, 1666984744), (278, 941426636), (314, 833492372), (373, 701653096), (556, 470713318), (628, 416746186), (746, 350826548), (1112, 235356659), (1256, 208373093), (1492, 175413274), (2984, 87706637), (4019, 65119832), (8038, 32559916), (16076, 16279958), (21823, 11992696), (32152, 8139979), (43646, 5996348), (51847, 5047864), (58561, 4469128), (87292, 2998174), (103694, 2523932), (117122, 2234564), (174584, 1499087), (207388, 1261966), (234244, 1117282), (414776, 630983), (468488, 558641)]