388530064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{17137}}^1$

素因数の和:17267

約数の個数: 40

約数和(自身を含む): 818168120

約数和(自身を除く): 429638056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 17137, 22672, 34274, 68548, 137096, 222781, 274192, 445562, 891124, 1782248, 1867933, 3564496, 3735866, 7471732, 14943464, 24283129, 29886928, 48566258, 97132516, 194265032, 388530064]

約数ペア:

[(1, 388530064), (2, 194265032), (4, 97132516), (8, 48566258), (13, 29886928), (16, 24283129), (26, 14943464), (52, 7471732), (104, 3735866), (109, 3564496), (208, 1867933), (218, 1782248), (436, 891124), (872, 445562), (1417, 274192), (1744, 222781), (2834, 137096), (5668, 68548), (11336, 34274), (17137, 22672)]