78870064

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 198042880

約数和(自身を除く): 119172816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 2851, 3458, 3952, 5702, 6916, 11404, 13832, 19957, 22808, 27664, 37063, 39914, 45616, 54169, 74126, 79828, 108338, 148252, 159656, 216676, 259441, 296504, 319312, 379183, 433352, 518882, 593008, 704197, 758366, 866704, 1037764, 1408394, 1516732, 2075528, 2816788, 3033464, 4151056, 4929379, 5633576, 6066928, 9858758, 11267152, 19717516, 39435032, 78870064]

約数ペア:

[(1, 78870064), (2, 39435032), (4, 19717516), (7, 11267152), (8, 9858758), (13, 6066928), (14, 5633576), (16, 4929379), (19, 4151056), (26, 3033464), (28, 2816788), (38, 2075528), (52, 1516732), (56, 1408394), (76, 1037764), (91, 866704), (104, 758366), (112, 704197), (133, 593008), (152, 518882), (182, 433352), (208, 379183), (247, 319312), (266, 296504), (304, 259441), (364, 216676), (494, 159656), (532, 148252), (728, 108338), (988, 79828), (1064, 74126), (1456, 54169), (1729, 45616), (1976, 39914), (2128, 37063), (2851, 27664), (3458, 22808), (3952, 19957), (5702, 13832), (6916, 11404)]