1970788

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 3609144

約数和(自身を除く): 1638356

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 197, 244, 394, 788, 2501, 5002, 8077, 10004, 12017, 16154, 24034, 32308, 48068, 492697, 985394, 1970788]

約数ペア:

[(1, 1970788), (2, 985394), (4, 492697), (41, 48068), (61, 32308), (82, 24034), (122, 16154), (164, 12017), (197, 10004), (244, 8077), (394, 5002), (788, 2501)]