399516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 1014552

約数和(自身を除く): 615036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 197, 338, 394, 507, 591, 676, 788, 1014, 1182, 2028, 2364, 2561, 5122, 7683, 10244, 15366, 30732, 33293, 66586, 99879, 133172, 199758, 399516]

約数ペア:

[(1, 399516), (2, 199758), (3, 133172), (4, 99879), (6, 66586), (12, 33293), (13, 30732), (26, 15366), (39, 10244), (52, 7683), (78, 5122), (156, 2561), (169, 2364), (197, 2028), (338, 1182), (394, 1014), (507, 788), (591, 676)]