311439128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38891}}^1$

素因数の和:38928

約数の個数: 64

約数和(自身を含む): 784062720

約数和(自身を除く): 472623592

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 38891, 77782, 155564, 272237, 311128, 427801, 505583, 544474, 855602, 1011166, 1088948, 1711204, 2022332, 2177896, 2994607, 3422408, 3539081, 4044664, 5561413, 5989214, 7078162, 11122826, 11978428, 14156324, 22245652, 23956856, 28312648, 38929891, 44491304, 77859782, 155719564, 311439128]

約数ペア:

[(1, 311439128), (2, 155719564), (4, 77859782), (7, 44491304), (8, 38929891), (11, 28312648), (13, 23956856), (14, 22245652), (22, 14156324), (26, 11978428), (28, 11122826), (44, 7078162), (52, 5989214), (56, 5561413), (77, 4044664), (88, 3539081), (91, 3422408), (104, 2994607), (143, 2177896), (154, 2022332), (182, 1711204), (286, 1088948), (308, 1011166), (364, 855602), (572, 544474), (616, 505583), (728, 427801), (1001, 311128), (1144, 272237), (2002, 155564), (4004, 77782), (8008, 38891)]