90897976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 195098400

約数和(自身を除く): 104200424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 157, 247, 293, 314, 494, 586, 628, 988, 1172, 1256, 1976, 2041, 2344, 2983, 3809, 4082, 5567, 5966, 7618, 8164, 11134, 11932, 15236, 16328, 22268, 23864, 30472, 38779, 44536, 46001, 72371, 77558, 92002, 144742, 155116, 184004, 289484, 310232, 368008, 578968, 598013, 874019, 1196026, 1748038, 2392052, 3496076, 4784104, 6992152, 11362247, 22724494, 45448988, 90897976]

約数ペア:

[(1, 90897976), (2, 45448988), (4, 22724494), (8, 11362247), (13, 6992152), (19, 4784104), (26, 3496076), (38, 2392052), (52, 1748038), (76, 1196026), (104, 874019), (152, 598013), (157, 578968), (247, 368008), (293, 310232), (314, 289484), (494, 184004), (586, 155116), (628, 144742), (988, 92002), (1172, 77558), (1256, 72371), (1976, 46001), (2041, 44536), (2344, 38779), (2983, 30472), (3809, 23864), (4082, 22268), (5567, 16328), (5966, 15236), (7618, 11932), (8164, 11134)]