215421408

素因数分解:

$2^5\times 3^2\times {\mathrm{747991}}^1$

素因数の和:748007

約数の個数: 36

約数和(自身を含む): 612605448

約数和(自身を除く): 397184040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 747991, 1495982, 2243973, 2991964, 4487946, 5983928, 6731919, 8975892, 11967856, 13463838, 17951784, 23935712, 26927676, 35903568, 53855352, 71807136, 107710704, 215421408]

約数ペア:

[(1, 215421408), (2, 107710704), (3, 71807136), (4, 53855352), (6, 35903568), (8, 26927676), (9, 23935712), (12, 17951784), (16, 13463838), (18, 11967856), (24, 8975892), (32, 6731919), (36, 5983928), (48, 4487946), (72, 2991964), (96, 2243973), (144, 1495982), (288, 747991)]