1900795197

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 3042091008

約数和(自身を除く): 1141295811

約数列:

[1, 3, 7, 21, 47, 61, 131, 141, 183, 241, 329, 393, 427, 723, 917, 987, 1281, 1687, 2751, 2867, 5061, 6157, 7991, 8601, 11327, 14701, 18471, 20069, 23973, 31571, 33981, 43099, 44103, 55937, 60207, 79289, 94713, 102907, 129297, 167811, 220997, 237867, 308721, 375577, 662991, 690947, 1126731, 1483837, 1925831, 2072841, 2629039, 4451511, 4836629, 5777493, 7887117, 10386859, 13480817, 14509887, 31160577, 40442451, 90514057, 271542171, 633598399, 1900795197]

約数ペア:

[(1, 1900795197), (3, 633598399), (7, 271542171), (21, 90514057), (47, 40442451), (61, 31160577), (131, 14509887), (141, 13480817), (183, 10386859), (241, 7887117), (329, 5777493), (393, 4836629), (427, 4451511), (723, 2629039), (917, 2072841), (987, 1925831), (1281, 1483837), (1687, 1126731), (2751, 690947), (2867, 662991), (5061, 375577), (6157, 308721), (7991, 237867), (8601, 220997), (11327, 167811), (14701, 129297), (18471, 102907), (20069, 94713), (23973, 79289), (31571, 60207), (33981, 55937), (43099, 44103)]