721437108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{19927}}^1$

素因数の和:20372

約数の個数: 48

約数和(自身を含む): 1928392704

約数和(自身を除く): 1206955596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 431, 862, 1293, 1724, 2586, 3017, 5172, 6034, 9051, 12068, 18102, 19927, 36204, 39854, 59781, 79708, 119562, 139489, 239124, 278978, 418467, 557956, 836934, 1673868, 8588537, 17177074, 25765611, 34354148, 51531222, 60119759, 103062444, 120239518, 180359277, 240479036, 360718554, 721437108]

約数ペア:

[(1, 721437108), (2, 360718554), (3, 240479036), (4, 180359277), (6, 120239518), (7, 103062444), (12, 60119759), (14, 51531222), (21, 34354148), (28, 25765611), (42, 17177074), (84, 8588537), (431, 1673868), (862, 836934), (1293, 557956), (1724, 418467), (2586, 278978), (3017, 239124), (5172, 139489), (6034, 119562), (9051, 79708), (12068, 59781), (18102, 39854), (19927, 36204)]