488487688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{23603}}^1$

素因数の和:23821

約数の個数: 32

約数和(自身を含む): 991368000

約数和(自身を除く): 502880312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 10348, 20696, 23603, 47206, 94412, 188824, 306839, 613678, 1227356, 2454712, 4696997, 9393994, 18787988, 37575976, 61060961, 122121922, 244243844, 488487688]

約数ペア:

[(1, 488487688), (2, 244243844), (4, 122121922), (8, 61060961), (13, 37575976), (26, 18787988), (52, 9393994), (104, 4696997), (199, 2454712), (398, 1227356), (796, 613678), (1592, 306839), (2587, 188824), (5174, 94412), (10348, 47206), (20696, 23603)]