978021356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 2042288640

約数和(自身を除く): 1064267284

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 89, 124, 178, 221, 356, 401, 403, 442, 527, 802, 806, 884, 1054, 1157, 1513, 1604, 1612, 2108, 2314, 2759, 3026, 4628, 5213, 5518, 6052, 6817, 6851, 10426, 11036, 12431, 13634, 13702, 19669, 20852, 24862, 27268, 27404, 35689, 35867, 39338, 46903, 49724, 71378, 71734, 78676, 88621, 93806, 142756, 143468, 161603, 177242, 187612, 211327, 323206, 354484, 422654, 463957, 606713, 609739, 646412, 845308, 927914, 1106359, 1213426, 1219478, 1855828, 2212718, 2426852, 2438956, 2747251, 4425436, 5494502, 7887269, 10989004, 14382667, 15774538, 18808103, 28765334, 31549076, 37616206, 57530668, 75232412, 244505339, 489010678, 978021356]

約数ペア:

[(1, 978021356), (2, 489010678), (4, 244505339), (13, 75232412), (17, 57530668), (26, 37616206), (31, 31549076), (34, 28765334), (52, 18808103), (62, 15774538), (68, 14382667), (89, 10989004), (124, 7887269), (178, 5494502), (221, 4425436), (356, 2747251), (401, 2438956), (403, 2426852), (442, 2212718), (527, 1855828), (802, 1219478), (806, 1213426), (884, 1106359), (1054, 927914), (1157, 845308), (1513, 646412), (1604, 609739), (1612, 606713), (2108, 463957), (2314, 422654), (2759, 354484), (3026, 323206), (4628, 211327), (5213, 187612), (5518, 177242), (6052, 161603), (6817, 143468), (6851, 142756), (10426, 93806), (11036, 88621), (12431, 78676), (13634, 71734), (13702, 71378), (19669, 49724), (20852, 46903), (24862, 39338), (27268, 35867), (27404, 35689)]