1664688112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 3472634880

約数和(自身を除く): 1807946768

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 109, 184, 188, 218, 368, 376, 436, 752, 872, 883, 1081, 1744, 1766, 2162, 2507, 3532, 4324, 5014, 5123, 7064, 8648, 10028, 10246, 14128, 17296, 20056, 20309, 20492, 40112, 40618, 40984, 41501, 81236, 81968, 83002, 96247, 117829, 162472, 166004, 192494, 235658, 324944, 332008, 384988, 471316, 664016, 769976, 942632, 954523, 1539952, 1885264, 1909046, 2213681, 3818092, 4427362, 4523609, 7636184, 8854724, 9047218, 15272368, 17709448, 18094436, 35418896, 36188872, 72377744, 104043007, 208086014, 416172028, 832344056, 1664688112]

約数ペア:

[(1, 1664688112), (2, 832344056), (4, 416172028), (8, 208086014), (16, 104043007), (23, 72377744), (46, 36188872), (47, 35418896), (92, 18094436), (94, 17709448), (109, 15272368), (184, 9047218), (188, 8854724), (218, 7636184), (368, 4523609), (376, 4427362), (436, 3818092), (752, 2213681), (872, 1909046), (883, 1885264), (1081, 1539952), (1744, 954523), (1766, 942632), (2162, 769976), (2507, 664016), (3532, 471316), (4324, 384988), (5014, 332008), (5123, 324944), (7064, 235658), (8648, 192494), (10028, 166004), (10246, 162472), (14128, 117829), (17296, 96247), (20056, 83002), (20309, 81968), (20492, 81236), (40112, 41501), (40618, 40984)]