30521428

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 63068544

約数和(自身を除く): 32547116

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 131, 157, 212, 262, 314, 371, 524, 628, 742, 917, 1099, 1484, 1834, 2198, 3668, 4396, 6943, 8321, 13886, 16642, 20567, 27772, 33284, 41134, 48601, 58247, 82268, 97202, 116494, 143969, 194404, 232988, 287938, 575876, 1090051, 2180102, 4360204, 7630357, 15260714, 30521428]

約数ペア:

[(1, 30521428), (2, 15260714), (4, 7630357), (7, 4360204), (14, 2180102), (28, 1090051), (53, 575876), (106, 287938), (131, 232988), (157, 194404), (212, 143969), (262, 116494), (314, 97202), (371, 82268), (524, 58247), (628, 48601), (742, 41134), (917, 33284), (1099, 27772), (1484, 20567), (1834, 16642), (2198, 13886), (3668, 8321), (4396, 6943)]