77581712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 173530560

約数和(自身を除く): 95948848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 134, 152, 208, 247, 268, 293, 304, 494, 536, 586, 871, 988, 1072, 1172, 1273, 1742, 1976, 2344, 2546, 3484, 3809, 3952, 4688, 5092, 5567, 6968, 7618, 10184, 11134, 13936, 15236, 16549, 19631, 20368, 22268, 30472, 33098, 39262, 44536, 60944, 66196, 72371, 78524, 89072, 132392, 144742, 157048, 255203, 264784, 289484, 314096, 372989, 510406, 578968, 745978, 1020812, 1157936, 1491956, 2041624, 2983912, 4083248, 4848857, 5967824, 9697714, 19395428, 38790856, 77581712]

約数ペア:

[(1, 77581712), (2, 38790856), (4, 19395428), (8, 9697714), (13, 5967824), (16, 4848857), (19, 4083248), (26, 2983912), (38, 2041624), (52, 1491956), (67, 1157936), (76, 1020812), (104, 745978), (134, 578968), (152, 510406), (208, 372989), (247, 314096), (268, 289484), (293, 264784), (304, 255203), (494, 157048), (536, 144742), (586, 132392), (871, 89072), (988, 78524), (1072, 72371), (1172, 66196), (1273, 60944), (1742, 44536), (1976, 39262), (2344, 33098), (2546, 30472), (3484, 22268), (3809, 20368), (3952, 19631), (4688, 16549), (5092, 15236), (5567, 13936), (6968, 11134), (7618, 10184)]