66747304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 150292800

約数和(自身を除く): 83545496

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 1987, 2584, 3974, 4199, 7948, 8398, 15896, 16796, 25831, 33592, 33779, 37753, 51662, 67558, 75506, 103324, 135116, 151012, 206648, 270232, 302024, 439127, 490789, 641801, 878254, 981578, 1283602, 1756508, 1963156, 2567204, 3513016, 3926312, 5134408, 8343413, 16686826, 33373652, 66747304]

約数ペア:

[(1, 66747304), (2, 33373652), (4, 16686826), (8, 8343413), (13, 5134408), (17, 3926312), (19, 3513016), (26, 2567204), (34, 1963156), (38, 1756508), (52, 1283602), (68, 981578), (76, 878254), (104, 641801), (136, 490789), (152, 439127), (221, 302024), (247, 270232), (323, 206648), (442, 151012), (494, 135116), (646, 103324), (884, 75506), (988, 67558), (1292, 51662), (1768, 37753), (1976, 33779), (1987, 33592), (2584, 25831), (3974, 16796), (4199, 15896), (7948, 8398)]