78156728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 170772000

約数和(自身を除く): 92615272

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 481, 494, 703, 962, 988, 1069, 1406, 1924, 1976, 2138, 2812, 3848, 4276, 5624, 8552, 9139, 13897, 18278, 20311, 27794, 36556, 39553, 40622, 55588, 73112, 79106, 81244, 111176, 158212, 162488, 264043, 316424, 514189, 528086, 751507, 1028378, 1056172, 1503014, 2056756, 2112344, 3006028, 4113512, 6012056, 9769591, 19539182, 39078364, 78156728]

約数ペア:

[(1, 78156728), (2, 39078364), (4, 19539182), (8, 9769591), (13, 6012056), (19, 4113512), (26, 3006028), (37, 2112344), (38, 2056756), (52, 1503014), (74, 1056172), (76, 1028378), (104, 751507), (148, 528086), (152, 514189), (247, 316424), (296, 264043), (481, 162488), (494, 158212), (703, 111176), (962, 81244), (988, 79106), (1069, 73112), (1406, 55588), (1924, 40622), (1976, 39553), (2138, 36556), (2812, 27794), (3848, 20311), (4276, 18278), (5624, 13897), (8552, 9139)]