289774888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{45677}}^1$

素因数の和:45757

約数の個数: 32

約数和(自身を含む): 594727560

約数和(自身を除く): 304952672

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 45677, 91354, 182708, 365416, 593801, 1187602, 2375204, 2786297, 4750408, 5572594, 11145188, 22290376, 36221861, 72443722, 144887444, 289774888]

約数ペア:

[(1, 289774888), (2, 144887444), (4, 72443722), (8, 36221861), (13, 22290376), (26, 11145188), (52, 5572594), (61, 4750408), (104, 2786297), (122, 2375204), (244, 1187602), (488, 593801), (793, 365416), (1586, 182708), (3172, 91354), (6344, 45677)]