15531992

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 20410408

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 389, 434, 644, 713, 778, 868, 1288, 1426, 1556, 1736, 2723, 2852, 3112, 4991, 5446, 5704, 8947, 9982, 10892, 12059, 17894, 19964, 21784, 24118, 35788, 39928, 48236, 62629, 71576, 84413, 96472, 125258, 168826, 250516, 277357, 337652, 501032, 554714, 675304, 1109428, 1941499, 2218856, 3882998, 7765996, 15531992]

約数ペア:

[(1, 15531992), (2, 7765996), (4, 3882998), (7, 2218856), (8, 1941499), (14, 1109428), (23, 675304), (28, 554714), (31, 501032), (46, 337652), (56, 277357), (62, 250516), (92, 168826), (124, 125258), (161, 96472), (184, 84413), (217, 71576), (248, 62629), (322, 48236), (389, 39928), (434, 35788), (644, 24118), (713, 21784), (778, 19964), (868, 17894), (1288, 12059), (1426, 10892), (1556, 9982), (1736, 8947), (2723, 5704), (2852, 5446), (3112, 4991)]