666352274

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 1228608000

約数和(自身を除く): 562255726

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 157, 161, 269, 314, 322, 343, 538, 686, 1099, 1127, 1883, 2198, 2254, 3611, 3766, 6187, 7222, 7693, 7889, 12374, 13181, 15386, 15778, 25277, 26362, 42233, 43309, 50554, 53851, 84466, 86618, 92267, 107702, 176939, 184534, 295631, 303163, 353878, 591262, 606326, 971359, 1238573, 1942718, 2069417, 2122141, 2477146, 4138834, 4244282, 6799513, 13599026, 14485919, 28971838, 47596591, 95193182, 333176137, 666352274]

約数ペア:

[(1, 666352274), (2, 333176137), (7, 95193182), (14, 47596591), (23, 28971838), (46, 14485919), (49, 13599026), (98, 6799513), (157, 4244282), (161, 4138834), (269, 2477146), (314, 2122141), (322, 2069417), (343, 1942718), (538, 1238573), (686, 971359), (1099, 606326), (1127, 591262), (1883, 353878), (2198, 303163), (2254, 295631), (3611, 184534), (3766, 176939), (6187, 107702), (7222, 92267), (7693, 86618), (7889, 84466), (12374, 53851), (13181, 50554), (15386, 43309), (15778, 42233), (25277, 26362)]