401195170

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{1987}}^1$

素因数の和:2386

約数の個数: 32

約数和(自身を含む): 736577856

約数和(自身を除く): 335382686

約数列:

[1, 2, 5, 10, 61, 122, 305, 331, 610, 662, 1655, 1987, 3310, 3974, 9935, 19870, 20191, 40382, 100955, 121207, 201910, 242414, 606035, 657697, 1212070, 1315394, 3288485, 6576970, 40119517, 80239034, 200597585, 401195170]

約数ペア:

[(1, 401195170), (2, 200597585), (5, 80239034), (10, 40119517), (61, 6576970), (122, 3288485), (305, 1315394), (331, 1212070), (610, 657697), (662, 606035), (1655, 242414), (1987, 201910), (3310, 121207), (3974, 100955), (9935, 40382), (19870, 20191)]