221533842

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 474439680

約数和(自身を除く): 252905838

約数列:

[1, 2, 3, 6, 29, 47, 58, 87, 94, 103, 141, 174, 206, 263, 282, 309, 526, 618, 789, 1363, 1578, 2726, 2987, 4089, 4841, 5974, 7627, 8178, 8961, 9682, 12361, 14523, 15254, 17922, 22881, 24722, 27089, 29046, 37083, 45762, 54178, 74166, 81267, 140389, 162534, 280778, 358469, 421167, 716938, 785581, 842334, 1075407, 1273183, 1571162, 2150814, 2356743, 2546366, 3819549, 4713486, 7639098, 36922307, 73844614, 110766921, 221533842]

約数ペア:

[(1, 221533842), (2, 110766921), (3, 73844614), (6, 36922307), (29, 7639098), (47, 4713486), (58, 3819549), (87, 2546366), (94, 2356743), (103, 2150814), (141, 1571162), (174, 1273183), (206, 1075407), (263, 842334), (282, 785581), (309, 716938), (526, 421167), (618, 358469), (789, 280778), (1363, 162534), (1578, 140389), (2726, 81267), (2987, 74166), (4089, 54178), (4841, 45762), (5974, 37083), (7627, 29046), (8178, 27089), (8961, 24722), (9682, 22881), (12361, 17922), (14523, 15254)]