258943775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 352358400

約数和(自身を除く): 93414625

約数列:

[1, 5, 23, 25, 31, 73, 115, 155, 199, 365, 575, 713, 775, 995, 1679, 1825, 2263, 3565, 4577, 4975, 6169, 8395, 11315, 14527, 17825, 22885, 30845, 41975, 52049, 56575, 72635, 114425, 141887, 154225, 260245, 334121, 363175, 450337, 709435, 1301225, 1670605, 2251685, 3547175, 8353025, 10357751, 11258425, 51788755, 258943775]

約数ペア:

[(1, 258943775), (5, 51788755), (23, 11258425), (25, 10357751), (31, 8353025), (73, 3547175), (115, 2251685), (155, 1670605), (199, 1301225), (365, 709435), (575, 450337), (713, 363175), (775, 334121), (995, 260245), (1679, 154225), (1825, 141887), (2263, 114425), (3565, 72635), (4577, 56575), (4975, 52049), (6169, 41975), (8395, 30845), (11315, 22885), (14527, 17825)]