647432364

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{3673}}^1$

素因数の和:4114

約数の個数: 48

約数和(自身を含む): 1555836128

約数和(自身を除く): 908403764

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 397, 444, 794, 1191, 1588, 2382, 3673, 4764, 7346, 11019, 14689, 14692, 22038, 29378, 44067, 44076, 58756, 88134, 135901, 176268, 271802, 407703, 543604, 815406, 1458181, 1630812, 2916362, 4374543, 5832724, 8749086, 17498172, 53952697, 107905394, 161858091, 215810788, 323716182, 647432364]

約数ペア:

[(1, 647432364), (2, 323716182), (3, 215810788), (4, 161858091), (6, 107905394), (12, 53952697), (37, 17498172), (74, 8749086), (111, 5832724), (148, 4374543), (222, 2916362), (397, 1630812), (444, 1458181), (794, 815406), (1191, 543604), (1588, 407703), (2382, 271802), (3673, 176268), (4764, 135901), (7346, 88134), (11019, 58756), (14689, 44076), (14692, 44067), (22038, 29378)]