66437072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16811}}^1$

素因数の和:16851

約数の個数: 40

約数和(自身を含む): 145928160

約数和(自身を除く): 79491088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16811, 33622, 67244, 134488, 218543, 268976, 319409, 437086, 638818, 874172, 1277636, 1748344, 2555272, 3496688, 4152317, 5110544, 8304634, 16609268, 33218536, 66437072]

約数ペア:

[(1, 66437072), (2, 33218536), (4, 16609268), (8, 8304634), (13, 5110544), (16, 4152317), (19, 3496688), (26, 2555272), (38, 1748344), (52, 1277636), (76, 874172), (104, 638818), (152, 437086), (208, 319409), (247, 268976), (304, 218543), (494, 134488), (988, 67244), (1976, 33622), (3952, 16811)]