1728888979986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197711}}^1\times {\mathrm{69401}}^1$

素因数の和:267127

約数の個数: 48

約数和(自身を含む): 4281141765888

約数和(自身を除く): 2552252785902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 69401, 138802, 197711, 208203, 395422, 416406, 485807, 593133, 624609, 971614, 1186266, 1249218, 1383977, 1457421, 1779399, 2767954, 2914842, 3558798, 4151931, 4372263, 8303862, 8744526, 12455793, 24911586, 13721341111, 27442682222, 41164023333, 82328046666, 96049387777, 123492069999, 192098775554, 246984139998, 288148163331, 576296326662, 864444489993, 1728888979986]

約数ペア:

[(1, 1728888979986), (2, 864444489993), (3, 576296326662), (6, 288148163331), (7, 246984139998), (9, 192098775554), (14, 123492069999), (18, 96049387777), (21, 82328046666), (42, 41164023333), (63, 27442682222), (126, 13721341111), (69401, 24911586), (138802, 12455793), (197711, 8744526), (208203, 8303862), (395422, 4372263), (416406, 4151931), (485807, 3558798), (593133, 2914842), (624609, 2767954), (971614, 1779399), (1186266, 1457421), (1249218, 1383977)]