78443872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 168052752

約数和(自身を除く): 89608880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 808, 1313, 1616, 1867, 2626, 3232, 3734, 5252, 7468, 10504, 14936, 21008, 24271, 29872, 42016, 48542, 59744, 97084, 188567, 194168, 377134, 388336, 754268, 776672, 1508536, 2451371, 3017072, 4902742, 6034144, 9805484, 19610968, 39221936, 78443872]

約数ペア:

[(1, 78443872), (2, 39221936), (4, 19610968), (8, 9805484), (13, 6034144), (16, 4902742), (26, 3017072), (32, 2451371), (52, 1508536), (101, 776672), (104, 754268), (202, 388336), (208, 377134), (404, 194168), (416, 188567), (808, 97084), (1313, 59744), (1616, 48542), (1867, 42016), (2626, 29872), (3232, 24271), (3734, 21008), (5252, 14936), (7468, 10504)]