221430456

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{78857}}^1$

素因数の和:78885

約数の個数: 64

約数和(自身を含む): 662407200

約数和(自身を除く): 440976744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 78857, 157714, 236571, 315428, 473142, 630856, 709713, 946284, 1025141, 1419426, 1892568, 2050282, 2129139, 2838852, 3075423, 4100564, 4258278, 5677704, 6150846, 8201128, 8516556, 9226269, 12301692, 17033112, 18452538, 24603384, 27678807, 36905076, 55357614, 73810152, 110715228, 221430456]

約数ペア:

[(1, 221430456), (2, 110715228), (3, 73810152), (4, 55357614), (6, 36905076), (8, 27678807), (9, 24603384), (12, 18452538), (13, 17033112), (18, 12301692), (24, 9226269), (26, 8516556), (27, 8201128), (36, 6150846), (39, 5677704), (52, 4258278), (54, 4100564), (72, 3075423), (78, 2838852), (104, 2129139), (108, 2050282), (117, 1892568), (156, 1419426), (216, 1025141), (234, 946284), (312, 709713), (351, 630856), (468, 473142), (702, 315428), (936, 236571), (1404, 157714), (2808, 78857)]