287884805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 379209600

約数和(自身を除く): 91324795

約数列:

[1, 5, 13, 65, 109, 179, 227, 545, 895, 1135, 1417, 2327, 2951, 7085, 11635, 14755, 19511, 24743, 40633, 97555, 123715, 203165, 253643, 321659, 528229, 1268215, 1608295, 2641145, 4428997, 22144985, 57576961, 287884805]

約数ペア:

[(1, 287884805), (5, 57576961), (13, 22144985), (65, 4428997), (109, 2641145), (179, 1608295), (227, 1268215), (545, 528229), (895, 321659), (1135, 253643), (1417, 203165), (2327, 123715), (2951, 97555), (7085, 40633), (11635, 24743), (14755, 19511)]