15641564

素因数分解:

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

素因数の和:254

約数の個数: 48

約数和(自身を含む): 30881088

約数和(自身を除く): 15239524

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 73, 92, 137, 146, 274, 292, 391, 548, 782, 1241, 1564, 1679, 2329, 2482, 3151, 3358, 4658, 4964, 6302, 6716, 9316, 10001, 12604, 20002, 28543, 40004, 53567, 57086, 107134, 114172, 170017, 214268, 230023, 340034, 460046, 680068, 920092, 3910391, 7820782, 15641564]

約数ペア:

[(1, 15641564), (2, 7820782), (4, 3910391), (17, 920092), (23, 680068), (34, 460046), (46, 340034), (68, 230023), (73, 214268), (92, 170017), (137, 114172), (146, 107134), (274, 57086), (292, 53567), (391, 40004), (548, 28543), (782, 20002), (1241, 12604), (1564, 10001), (1679, 9316), (2329, 6716), (2482, 6302), (3151, 4964), (3358, 4658)]