78896830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 154559664

約数和(自身を除く): 75662834

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 251, 430, 502, 731, 1255, 1462, 1849, 2510, 3655, 3698, 4267, 7310, 8534, 9245, 10793, 18490, 21335, 21586, 31433, 42670, 53965, 62866, 107930, 157165, 183481, 314330, 366962, 464099, 917405, 928198, 1834810, 2320495, 4640990, 7889683, 15779366, 39448415, 78896830]

約数ペア:

[(1, 78896830), (2, 39448415), (5, 15779366), (10, 7889683), (17, 4640990), (34, 2320495), (43, 1834810), (85, 928198), (86, 917405), (170, 464099), (215, 366962), (251, 314330), (430, 183481), (502, 157165), (731, 107930), (1255, 62866), (1462, 53965), (1849, 42670), (2510, 31433), (3655, 21586), (3698, 21335), (4267, 18490), (7310, 10793), (8534, 9245)]