647213330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1\times {\mathrm{2153}}^1$

素因数の和:3490

約数の個数: 32

約数和(自身を含む): 1217130624

約数和(自身を除く): 569917294

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1307, 2153, 2614, 4306, 6535, 10765, 13070, 21530, 30061, 49519, 60122, 99038, 150305, 247595, 300610, 495190, 2813971, 5627942, 14069855, 28139710, 64721333, 129442666, 323606665, 647213330]

約数ペア:

[(1, 647213330), (2, 323606665), (5, 129442666), (10, 64721333), (23, 28139710), (46, 14069855), (115, 5627942), (230, 2813971), (1307, 495190), (2153, 300610), (2614, 247595), (4306, 150305), (6535, 99038), (10765, 60122), (13070, 49519), (21530, 30061)]