1311339904

素因数分解:

$2^7\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6563}}^1$

素因数の和:6807

約数の個数: 64

約数和(自身を含む): 2999485440

約数和(自身を除く): 1688145536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 223, 224, 446, 448, 892, 896, 1561, 1784, 3122, 3568, 6244, 6563, 7136, 12488, 13126, 14272, 24976, 26252, 28544, 45941, 49952, 52504, 91882, 99904, 105008, 183764, 199808, 210016, 367528, 420032, 735056, 840064, 1463549, 1470112, 2927098, 2940224, 5854196, 5880448, 10244843, 11708392, 20489686, 23416784, 40979372, 46833568, 81958744, 93667136, 163917488, 187334272, 327834976, 655669952, 1311339904]

約数ペア:

[(1, 1311339904), (2, 655669952), (4, 327834976), (7, 187334272), (8, 163917488), (14, 93667136), (16, 81958744), (28, 46833568), (32, 40979372), (56, 23416784), (64, 20489686), (112, 11708392), (128, 10244843), (223, 5880448), (224, 5854196), (446, 2940224), (448, 2927098), (892, 1470112), (896, 1463549), (1561, 840064), (1784, 735056), (3122, 420032), (3568, 367528), (6244, 210016), (6563, 199808), (7136, 183764), (12488, 105008), (13126, 99904), (14272, 91882), (24976, 52504), (26252, 49952), (28544, 45941)]