81419994

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2655

約数の個数: 48

約数和(自身を含む): 185557320

約数和(自身を除く): 104137326

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 1098, 1769, 2557, 3538, 5114, 5307, 7671, 10614, 15342, 15921, 23013, 31842, 46026, 74153, 148306, 155977, 222459, 311954, 444918, 467931, 667377, 935862, 1334754, 1403793, 2807586, 4523333, 9046666, 13569999, 27139998, 40709997, 81419994]

約数ペア:

[(1, 81419994), (2, 40709997), (3, 27139998), (6, 13569999), (9, 9046666), (18, 4523333), (29, 2807586), (58, 1403793), (61, 1334754), (87, 935862), (122, 667377), (174, 467931), (183, 444918), (261, 311954), (366, 222459), (522, 155977), (549, 148306), (1098, 74153), (1769, 46026), (2557, 31842), (3538, 23013), (5114, 15921), (5307, 15342), (7671, 10614)]