17872104964

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{124739}}^1$

素因数の和:124817

約数の個数: 72

約数和(自身を含む): 39418837920

約数和(自身を除く): 21546732956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 49, 68, 86, 98, 119, 172, 196, 238, 301, 476, 602, 731, 833, 1204, 1462, 1666, 2107, 2924, 3332, 4214, 5117, 8428, 10234, 20468, 35819, 71638, 124739, 143276, 249478, 498956, 873173, 1746346, 2120563, 3492692, 4241126, 5363777, 6112211, 8482252, 10727554, 12224422, 14843941, 21455108, 24448844, 29687882, 37546439, 59375764, 75092878, 91184209, 103907587, 150185756, 182368418, 207815174, 262825073, 364736836, 415630348, 525650146, 638289463, 1051300292, 1276578926, 2553157852, 4468026241, 8936052482, 17872104964]

約数ペア:

[(1, 17872104964), (2, 8936052482), (4, 4468026241), (7, 2553157852), (14, 1276578926), (17, 1051300292), (28, 638289463), (34, 525650146), (43, 415630348), (49, 364736836), (68, 262825073), (86, 207815174), (98, 182368418), (119, 150185756), (172, 103907587), (196, 91184209), (238, 75092878), (301, 59375764), (476, 37546439), (602, 29687882), (731, 24448844), (833, 21455108), (1204, 14843941), (1462, 12224422), (1666, 10727554), (2107, 8482252), (2924, 6112211), (3332, 5363777), (4214, 4241126), (5117, 3492692), (8428, 2120563), (10234, 1746346), (20468, 873173), (35819, 498956), (71638, 249478), (124739, 143276)]