42397355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 70253568

約数和(自身を除く): 27856213

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 65, 77, 91, 143, 197, 215, 301, 385, 455, 473, 559, 715, 985, 1001, 1379, 1505, 2167, 2365, 2561, 2795, 3311, 3913, 5005, 6149, 6895, 8471, 10835, 12805, 15169, 16555, 17927, 19565, 28171, 30745, 42355, 43043, 59297, 75845, 89635, 93181, 110123, 140855, 197197, 215215, 296485, 465905, 550615, 652267, 770861, 985985, 1211353, 3261335, 3854305, 6056765, 8479471, 42397355]

約数ペア:

[(1, 42397355), (5, 8479471), (7, 6056765), (11, 3854305), (13, 3261335), (35, 1211353), (43, 985985), (55, 770861), (65, 652267), (77, 550615), (91, 465905), (143, 296485), (197, 215215), (215, 197197), (301, 140855), (385, 110123), (455, 93181), (473, 89635), (559, 75845), (715, 59297), (985, 43043), (1001, 42355), (1379, 30745), (1505, 28171), (2167, 19565), (2365, 17927), (2561, 16555), (2795, 15169), (3311, 12805), (3913, 10835), (5005, 8471), (6149, 6895)]