388889644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3311

約数の個数: 72

約数和(自身を含む): 848252720

約数和(自身を除く): 459363076

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 209, 242, 247, 286, 418, 484, 494, 572, 836, 988, 1573, 2299, 2717, 3146, 3253, 4598, 5434, 6292, 6506, 9196, 10868, 13012, 29887, 35783, 42289, 59774, 61807, 71566, 84578, 119548, 123614, 143132, 169156, 247228, 393613, 465179, 679877, 787226, 803491, 930358, 1359754, 1574452, 1606982, 1860716, 2719508, 3213964, 5116969, 7478647, 8838401, 10233938, 14957294, 17676802, 20467876, 29914588, 35353604, 97222411, 194444822, 388889644]

約数ペア:

[(1, 388889644), (2, 194444822), (4, 97222411), (11, 35353604), (13, 29914588), (19, 20467876), (22, 17676802), (26, 14957294), (38, 10233938), (44, 8838401), (52, 7478647), (76, 5116969), (121, 3213964), (143, 2719508), (209, 1860716), (242, 1606982), (247, 1574452), (286, 1359754), (418, 930358), (484, 803491), (494, 787226), (572, 679877), (836, 465179), (988, 393613), (1573, 247228), (2299, 169156), (2717, 143132), (3146, 123614), (3253, 119548), (4598, 84578), (5434, 71566), (6292, 61807), (6506, 59774), (9196, 42289), (10868, 35783), (13012, 29887)]