777768836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{2521}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 1557082800

約数和(自身を除く): 779313964

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 349, 442, 698, 884, 1396, 2521, 4537, 5042, 5933, 9074, 10084, 11866, 18148, 23732, 32773, 42857, 65546, 77129, 85714, 131092, 154258, 171428, 308516, 557141, 879829, 1114282, 1759658, 2228564, 3519316, 11437777, 14957093, 22875554, 29914186, 45751108, 59828372, 194442209, 388884418, 777768836]

約数ペア:

[(1, 777768836), (2, 388884418), (4, 194442209), (13, 59828372), (17, 45751108), (26, 29914186), (34, 22875554), (52, 14957093), (68, 11437777), (221, 3519316), (349, 2228564), (442, 1759658), (698, 1114282), (884, 879829), (1396, 557141), (2521, 308516), (4537, 171428), (5042, 154258), (5933, 131092), (9074, 85714), (10084, 77129), (11866, 65546), (18148, 42857), (23732, 32773)]