641718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 1737216

約数和(自身を除く): 1095498

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 463, 693, 926, 1386, 1389, 2778, 3241, 4167, 5093, 6482, 8334, 9723, 10186, 15279, 19446, 29169, 30558, 35651, 45837, 58338, 71302, 91674, 106953, 213906, 320859, 641718]

約数ペア:

[(1, 641718), (2, 320859), (3, 213906), (6, 106953), (7, 91674), (9, 71302), (11, 58338), (14, 45837), (18, 35651), (21, 30558), (22, 29169), (33, 19446), (42, 15279), (63, 10186), (66, 9723), (77, 8334), (99, 6482), (126, 5093), (154, 4167), (198, 3241), (231, 2778), (462, 1389), (463, 1386), (693, 926)]