2548975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 1450769

約数列:

[1, 5, 11, 13, 23, 25, 31, 55, 65, 115, 143, 155, 253, 275, 299, 325, 341, 403, 575, 713, 715, 775, 1265, 1495, 1705, 2015, 3289, 3565, 3575, 4433, 6325, 7475, 7843, 8525, 9269, 10075, 16445, 17825, 22165, 39215, 46345, 82225, 101959, 110825, 196075, 231725, 509795, 2548975]

約数ペア:

[(1, 2548975), (5, 509795), (11, 231725), (13, 196075), (23, 110825), (25, 101959), (31, 82225), (55, 46345), (65, 39215), (115, 22165), (143, 17825), (155, 16445), (253, 10075), (275, 9269), (299, 8525), (325, 7843), (341, 7475), (403, 6325), (575, 4433), (713, 3575), (715, 3565), (775, 3289), (1265, 2015), (1495, 1705)]