16490425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 25926912

約数和(自身を除く): 9436487

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 241, 391, 425, 575, 595, 805, 1205, 1687, 1955, 2737, 2975, 4025, 4097, 5543, 6025, 8435, 9775, 13685, 20485, 27715, 28679, 38801, 42175, 68425, 94231, 102425, 138575, 143395, 194005, 471155, 659617, 716975, 970025, 2355775, 3298085, 16490425]

約数ペア:

[(1, 16490425), (5, 3298085), (7, 2355775), (17, 970025), (23, 716975), (25, 659617), (35, 471155), (85, 194005), (115, 143395), (119, 138575), (161, 102425), (175, 94231), (241, 68425), (391, 42175), (425, 38801), (575, 28679), (595, 27715), (805, 20485), (1205, 13685), (1687, 9775), (1955, 8435), (2737, 6025), (2975, 5543), (4025, 4097)]