25631895

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 42229440

約数和(自身を除く): 16597545

約数列:

[1, 3, 5, 15, 61, 109, 183, 257, 305, 327, 545, 771, 915, 1285, 1635, 3855, 6649, 15677, 19947, 28013, 33245, 47031, 78385, 84039, 99735, 140065, 235155, 420195, 1708793, 5126379, 8543965, 25631895]

約数ペア:

[(1, 25631895), (3, 8543965), (5, 5126379), (15, 1708793), (61, 420195), (109, 235155), (183, 140065), (257, 99735), (305, 84039), (327, 78385), (545, 47031), (771, 33245), (915, 28013), (1285, 19947), (1635, 15677), (3855, 6649)]