25193196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 73251360

約数和(自身を除く): 48058164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 389, 514, 771, 778, 1028, 1167, 1542, 1556, 1799, 2313, 2334, 2723, 3084, 3501, 3598, 4626, 4668, 5397, 5446, 7002, 7196, 8169, 9252, 10794, 10892, 14004, 16191, 16338, 21588, 24507, 32382, 32676, 49014, 64764, 98028, 99973, 199946, 299919, 399892, 599838, 699811, 899757, 1199676, 1399622, 1799514, 2099433, 2799244, 3599028, 4198866, 6298299, 8397732, 12596598, 25193196]

約数ペア:

[(1, 25193196), (2, 12596598), (3, 8397732), (4, 6298299), (6, 4198866), (7, 3599028), (9, 2799244), (12, 2099433), (14, 1799514), (18, 1399622), (21, 1199676), (28, 899757), (36, 699811), (42, 599838), (63, 399892), (84, 299919), (126, 199946), (252, 99973), (257, 98028), (389, 64764), (514, 49014), (771, 32676), (778, 32382), (1028, 24507), (1167, 21588), (1542, 16338), (1556, 16191), (1799, 14004), (2313, 10892), (2334, 10794), (2723, 9252), (3084, 8169), (3501, 7196), (3598, 7002), (4626, 5446), (4668, 5397)]