1289788136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1771687}}^1$

素因数の和:1771713

約数の個数: 32

約数和(自身を含む): 2976435840

約数和(自身を除く): 1686647704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1771687, 3543374, 7086748, 12401809, 14173496, 23031931, 24803618, 46063862, 49607236, 92127724, 99214472, 161223517, 184255448, 322447034, 644894068, 1289788136]

約数ペア:

[(1, 1289788136), (2, 644894068), (4, 322447034), (7, 184255448), (8, 161223517), (13, 99214472), (14, 92127724), (26, 49607236), (28, 46063862), (52, 24803618), (56, 23031931), (91, 14173496), (104, 12401809), (182, 7086748), (364, 3543374), (728, 1771687)]