7048990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 14203728

約数和(自身を除く): 7154738

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 97, 130, 169, 194, 215, 338, 430, 485, 559, 845, 970, 1118, 1261, 1690, 2522, 2795, 4171, 5590, 6305, 7267, 8342, 12610, 14534, 16393, 20855, 32786, 36335, 41710, 54223, 72670, 81965, 108446, 163930, 271115, 542230, 704899, 1409798, 3524495, 7048990]

約数ペア:

[(1, 7048990), (2, 3524495), (5, 1409798), (10, 704899), (13, 542230), (26, 271115), (43, 163930), (65, 108446), (86, 81965), (97, 72670), (130, 54223), (169, 41710), (194, 36335), (215, 32786), (338, 20855), (430, 16393), (485, 14534), (559, 12610), (845, 8342), (970, 7267), (1118, 6305), (1261, 5590), (1690, 4171), (2522, 2795)]