78878044

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 172368000

約数和(自身を除く): 93489956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 118, 133, 196, 236, 266, 359, 413, 532, 718, 826, 931, 1121, 1436, 1652, 1862, 2242, 2513, 2891, 3724, 4484, 5026, 5782, 6821, 7847, 10052, 11564, 13642, 15694, 17591, 21181, 27284, 31388, 35182, 42362, 47747, 54929, 70364, 84724, 95494, 109858, 148267, 190988, 219716, 296534, 334229, 402439, 593068, 668458, 804878, 1037869, 1336916, 1609756, 2075738, 2817073, 4151476, 5634146, 11268292, 19719511, 39439022, 78878044]

約数ペア:

[(1, 78878044), (2, 39439022), (4, 19719511), (7, 11268292), (14, 5634146), (19, 4151476), (28, 2817073), (38, 2075738), (49, 1609756), (59, 1336916), (76, 1037869), (98, 804878), (118, 668458), (133, 593068), (196, 402439), (236, 334229), (266, 296534), (359, 219716), (413, 190988), (532, 148267), (718, 109858), (826, 95494), (931, 84724), (1121, 70364), (1436, 54929), (1652, 47747), (1862, 42362), (2242, 35182), (2513, 31388), (2891, 27284), (3724, 21181), (4484, 17591), (5026, 15694), (5782, 13642), (6821, 11564), (7847, 10052)]