25130178

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 56642040

約数和(自身を除く): 31511862

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 97, 111, 194, 222, 291, 333, 389, 582, 666, 778, 873, 1167, 1746, 2334, 3501, 3589, 7002, 7178, 10767, 14393, 21534, 28786, 32301, 37733, 43179, 64602, 75466, 86358, 113199, 129537, 226398, 259074, 339597, 679194, 1396121, 2792242, 4188363, 8376726, 12565089, 25130178]

約数ペア:

[(1, 25130178), (2, 12565089), (3, 8376726), (6, 4188363), (9, 2792242), (18, 1396121), (37, 679194), (74, 339597), (97, 259074), (111, 226398), (194, 129537), (222, 113199), (291, 86358), (333, 75466), (389, 64602), (582, 43179), (666, 37733), (778, 32301), (873, 28786), (1167, 21534), (1746, 14393), (2334, 10767), (3501, 7178), (3589, 7002)]