31283128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 66173760

約数和(自身を除く): 34890632

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 73, 92, 136, 137, 146, 184, 274, 292, 391, 548, 584, 782, 1096, 1241, 1564, 1679, 2329, 2482, 3128, 3151, 3358, 4658, 4964, 6302, 6716, 9316, 9928, 10001, 12604, 13432, 18632, 20002, 25208, 28543, 40004, 53567, 57086, 80008, 107134, 114172, 170017, 214268, 228344, 230023, 340034, 428536, 460046, 680068, 920092, 1360136, 1840184, 3910391, 7820782, 15641564, 31283128]

約数ペア:

[(1, 31283128), (2, 15641564), (4, 7820782), (8, 3910391), (17, 1840184), (23, 1360136), (34, 920092), (46, 680068), (68, 460046), (73, 428536), (92, 340034), (136, 230023), (137, 228344), (146, 214268), (184, 170017), (274, 114172), (292, 107134), (391, 80008), (548, 57086), (584, 53567), (782, 40004), (1096, 28543), (1241, 25208), (1564, 20002), (1679, 18632), (2329, 13432), (2482, 12604), (3128, 10001), (3151, 9928), (3358, 9316), (4658, 6716), (4964, 6302)]