1388790715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 1962455040

約数和(自身を除く): 573664325

約数列:

[1, 5, 13, 23, 29, 65, 103, 115, 145, 299, 311, 377, 515, 667, 1339, 1495, 1555, 1885, 2369, 2987, 3335, 4043, 6695, 7153, 8671, 9019, 11845, 14935, 20215, 30797, 32033, 35765, 38831, 43355, 45095, 68701, 92989, 117247, 153985, 160165, 194155, 207437, 343505, 416429, 464945, 586235, 736759, 893113, 928957, 1037185, 2082145, 2696681, 3683795, 4465565, 4644785, 9577867, 12076441, 13483405, 21366011, 47889335, 60382205, 106830055, 277758143, 1388790715]

約数ペア:

[(1, 1388790715), (5, 277758143), (13, 106830055), (23, 60382205), (29, 47889335), (65, 21366011), (103, 13483405), (115, 12076441), (145, 9577867), (299, 4644785), (311, 4465565), (377, 3683795), (515, 2696681), (667, 2082145), (1339, 1037185), (1495, 928957), (1555, 893113), (1885, 736759), (2369, 586235), (2987, 464945), (3335, 416429), (4043, 343505), (6695, 207437), (7153, 194155), (8671, 160165), (9019, 153985), (11845, 117247), (14935, 92989), (20215, 68701), (30797, 45095), (32033, 43355), (35765, 38831)]