642631284

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{71119}}^1$

素因数の和:71380

約数の個数: 36

約数和(自身を含む): 1630923840

約数和(自身を除く): 988292556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 1004, 1506, 2259, 3012, 4518, 9036, 71119, 142238, 213357, 284476, 426714, 640071, 853428, 1280142, 2560284, 17850869, 35701738, 53552607, 71403476, 107105214, 160657821, 214210428, 321315642, 642631284]

約数ペア:

[(1, 642631284), (2, 321315642), (3, 214210428), (4, 160657821), (6, 107105214), (9, 71403476), (12, 53552607), (18, 35701738), (36, 17850869), (251, 2560284), (502, 1280142), (753, 853428), (1004, 640071), (1506, 426714), (2259, 284476), (3012, 213357), (4518, 142238), (9036, 71119)]