1978225535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 2995356672

約数和(自身を除く): 1017131137

約数列:

[1, 5, 11, 13, 37, 43, 47, 55, 65, 143, 185, 215, 235, 407, 473, 481, 517, 559, 611, 715, 1369, 1591, 1739, 2021, 2035, 2365, 2405, 2585, 2795, 3055, 5291, 6149, 6721, 6845, 7955, 8695, 10105, 15059, 17501, 17797, 19129, 20683, 22231, 22607, 26273, 26455, 30745, 33605, 58867, 64343, 74777, 75295, 87505, 88985, 95645, 103415, 111155, 113035, 131365, 195767, 227513, 248677, 289003, 294335, 321715, 373885, 647537, 707773, 765271, 822547, 836459, 972101, 978835, 1137565, 1243385, 1445015, 2766749, 3237685, 3538865, 3826355, 4112735, 4182295, 4860505, 8417981, 9201049, 10693111, 13833745, 30434239, 35967737, 42089905, 46005245, 53465555, 152171195, 179838685, 395645107, 1978225535]

約数ペア:

[(1, 1978225535), (5, 395645107), (11, 179838685), (13, 152171195), (37, 53465555), (43, 46005245), (47, 42089905), (55, 35967737), (65, 30434239), (143, 13833745), (185, 10693111), (215, 9201049), (235, 8417981), (407, 4860505), (473, 4182295), (481, 4112735), (517, 3826355), (559, 3538865), (611, 3237685), (715, 2766749), (1369, 1445015), (1591, 1243385), (1739, 1137565), (2021, 978835), (2035, 972101), (2365, 836459), (2405, 822547), (2585, 765271), (2795, 707773), (3055, 647537), (5291, 373885), (6149, 321715), (6721, 294335), (6845, 289003), (7955, 248677), (8695, 227513), (10105, 195767), (15059, 131365), (17501, 113035), (17797, 111155), (19129, 103415), (20683, 95645), (22231, 88985), (22607, 87505), (26273, 75295), (26455, 74777), (30745, 64343), (33605, 58867)]