15901444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 31328640

約数和(自身を除く): 15427196

約数列:

[1, 2, 4, 13, 26, 52, 59, 71, 73, 118, 142, 146, 236, 284, 292, 767, 923, 949, 1534, 1846, 1898, 3068, 3692, 3796, 4189, 4307, 5183, 8378, 8614, 10366, 16756, 17228, 20732, 54457, 55991, 67379, 108914, 111982, 134758, 217828, 223964, 269516, 305797, 611594, 1223188, 3975361, 7950722, 15901444]

約数ペア:

[(1, 15901444), (2, 7950722), (4, 3975361), (13, 1223188), (26, 611594), (52, 305797), (59, 269516), (71, 223964), (73, 217828), (118, 134758), (142, 111982), (146, 108914), (236, 67379), (284, 55991), (292, 54457), (767, 20732), (923, 17228), (949, 16756), (1534, 10366), (1846, 8614), (1898, 8378), (3068, 5183), (3692, 4307), (3796, 4189)]