809747276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 1592846640

約数和(自身を除く): 783099364

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 169, 172, 178, 313, 338, 356, 559, 626, 676, 1118, 1157, 1252, 2236, 2314, 3827, 4069, 4628, 7267, 7654, 8138, 13459, 14534, 15041, 15308, 16276, 26918, 27857, 29068, 30082, 49751, 52897, 53836, 55714, 60164, 99502, 105794, 111428, 174967, 199004, 211588, 349934, 362141, 646763, 699868, 724282, 1197851, 1293526, 1448564, 2274571, 2395702, 2587052, 4549142, 4707833, 4791404, 9098284, 9415666, 15572063, 18831332, 31144126, 62288252, 202436819, 404873638, 809747276]

約数ペア:

[(1, 809747276), (2, 404873638), (4, 202436819), (13, 62288252), (26, 31144126), (43, 18831332), (52, 15572063), (86, 9415666), (89, 9098284), (169, 4791404), (172, 4707833), (178, 4549142), (313, 2587052), (338, 2395702), (356, 2274571), (559, 1448564), (626, 1293526), (676, 1197851), (1118, 724282), (1157, 699868), (1252, 646763), (2236, 362141), (2314, 349934), (3827, 211588), (4069, 199004), (4628, 174967), (7267, 111428), (7654, 105794), (8138, 99502), (13459, 60164), (14534, 55714), (15041, 53836), (15308, 52897), (16276, 49751), (26918, 30082), (27857, 29068)]