77961712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 159699600

約数和(自身を除く): 81737888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 317, 634, 809, 1268, 1618, 2536, 3236, 5072, 6023, 6472, 12046, 12944, 15371, 24092, 30742, 48184, 61484, 96368, 122968, 245936, 256453, 512906, 1025812, 2051624, 4103248, 4872607, 9745214, 19490428, 38980856, 77961712]

約数ペア:

[(1, 77961712), (2, 38980856), (4, 19490428), (8, 9745214), (16, 4872607), (19, 4103248), (38, 2051624), (76, 1025812), (152, 512906), (304, 256453), (317, 245936), (634, 122968), (809, 96368), (1268, 61484), (1618, 48184), (2536, 30742), (3236, 24092), (5072, 15371), (6023, 12944), (6472, 12046)]