291223218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2751

約数の個数: 64

約数和(自身を含む): 689762304

約数和(自身を除く): 398539086

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 262, 286, 393, 429, 786, 858, 1441, 1703, 2591, 2882, 3406, 4323, 5109, 5182, 7773, 8646, 10218, 15546, 18733, 28501, 33683, 37466, 56199, 57002, 67366, 85503, 101049, 112398, 171006, 202098, 339421, 370513, 678842, 741026, 1018263, 1111539, 2036526, 2223078, 3733631, 4412473, 7467262, 8824946, 11200893, 13237419, 22401786, 26474838, 48537203, 97074406, 145611609, 291223218]

約数ペア:

[(1, 291223218), (2, 145611609), (3, 97074406), (6, 48537203), (11, 26474838), (13, 22401786), (22, 13237419), (26, 11200893), (33, 8824946), (39, 7467262), (66, 4412473), (78, 3733631), (131, 2223078), (143, 2036526), (262, 1111539), (286, 1018263), (393, 741026), (429, 678842), (786, 370513), (858, 339421), (1441, 202098), (1703, 171006), (2591, 112398), (2882, 101049), (3406, 85503), (4323, 67366), (5109, 57002), (5182, 56199), (7773, 37466), (8646, 33683), (10218, 28501), (15546, 18733)]