289686518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{3163}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 497532672

約数和(自身を除く): 207846154

約数列:

[1, 2, 11, 22, 23, 46, 181, 253, 362, 506, 1991, 3163, 3982, 4163, 6326, 8326, 34793, 45793, 69586, 72749, 91586, 145498, 572503, 800239, 1145006, 1600478, 6297533, 12595066, 13167569, 26335138, 144843259, 289686518]

約数ペア:

[(1, 289686518), (2, 144843259), (11, 26335138), (22, 13167569), (23, 12595066), (46, 6297533), (181, 1600478), (253, 1145006), (362, 800239), (506, 572503), (1991, 145498), (3163, 91586), (3982, 72749), (4163, 69586), (6326, 45793), (8326, 34793)]