749623448

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 1629504000

約数和(自身を除く): 879880552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 199, 274, 398, 491, 548, 796, 959, 982, 1096, 1393, 1592, 1918, 1964, 2786, 3437, 3836, 3928, 5572, 6874, 7672, 11144, 13748, 27263, 27496, 54526, 67267, 97709, 109052, 134534, 190841, 195418, 218104, 269068, 381682, 390836, 470869, 538136, 683963, 763364, 781672, 941738, 1367926, 1526728, 1883476, 2735852, 3766952, 5471704, 13386133, 26772266, 53544532, 93702931, 107089064, 187405862, 374811724, 749623448]

約数ペア:

[(1, 749623448), (2, 374811724), (4, 187405862), (7, 107089064), (8, 93702931), (14, 53544532), (28, 26772266), (56, 13386133), (137, 5471704), (199, 3766952), (274, 2735852), (398, 1883476), (491, 1526728), (548, 1367926), (796, 941738), (959, 781672), (982, 763364), (1096, 683963), (1393, 538136), (1592, 470869), (1918, 390836), (1964, 381682), (2786, 269068), (3437, 218104), (3836, 195418), (3928, 190841), (5572, 134534), (6874, 109052), (7672, 97709), (11144, 67267), (13748, 54526), (27263, 27496)]