1561732172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{390043}}^1$

素因数の和:390078

約数の個数: 48

約数和(自身を含む): 3669533952

約数和(自身を除く): 2107801780

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 390043, 780086, 1560172, 2730301, 4290473, 5070559, 5460602, 8580946, 10141118, 10921204, 17161892, 20282236, 30033311, 35493913, 55776149, 60066622, 70987826, 111552298, 120133244, 141975652, 223104596, 390433043, 780866086, 1561732172]

約数ペア:

[(1, 1561732172), (2, 780866086), (4, 390433043), (7, 223104596), (11, 141975652), (13, 120133244), (14, 111552298), (22, 70987826), (26, 60066622), (28, 55776149), (44, 35493913), (52, 30033311), (77, 20282236), (91, 17161892), (143, 10921204), (154, 10141118), (182, 8580946), (286, 5460602), (308, 5070559), (364, 4290473), (572, 2730301), (1001, 1560172), (2002, 780086), (4004, 390043)]