813308870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12553}}^1$

素因数の和:12621

約数の個数: 64

約数和(自身を含む): 1735464960

約数和(自身を除く): 922156090

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2945, 3410, 5890, 6479, 12553, 12958, 25106, 32395, 62765, 64790, 125530, 138083, 238507, 276166, 389143, 477014, 690415, 778286, 1192535, 1380830, 1945715, 2385070, 2623577, 3891430, 4280573, 5247154, 7393717, 8561146, 13117885, 14787434, 21402865, 26235770, 36968585, 42805730, 73937170, 81330887, 162661774, 406654435, 813308870]

約数ペア:

[(1, 813308870), (2, 406654435), (5, 162661774), (10, 81330887), (11, 73937170), (19, 42805730), (22, 36968585), (31, 26235770), (38, 21402865), (55, 14787434), (62, 13117885), (95, 8561146), (110, 7393717), (155, 5247154), (190, 4280573), (209, 3891430), (310, 2623577), (341, 2385070), (418, 1945715), (589, 1380830), (682, 1192535), (1045, 778286), (1178, 690415), (1705, 477014), (2090, 389143), (2945, 276166), (3410, 238507), (5890, 138083), (6479, 125530), (12553, 64790), (12958, 62765), (25106, 32395)]