219556566

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 486064800

約数和(自身を除く): 266508234

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 149, 213, 298, 426, 447, 639, 894, 1153, 1278, 1341, 2306, 2682, 3459, 6918, 10377, 10579, 20754, 21158, 31737, 63474, 81863, 95211, 163726, 171797, 190422, 245589, 343594, 491178, 515391, 736767, 1030782, 1473534, 1546173, 3092346, 12197587, 24395174, 36592761, 73185522, 109778283, 219556566]

約数ペア:

[(1, 219556566), (2, 109778283), (3, 73185522), (6, 36592761), (9, 24395174), (18, 12197587), (71, 3092346), (142, 1546173), (149, 1473534), (213, 1030782), (298, 736767), (426, 515391), (447, 491178), (639, 343594), (894, 245589), (1153, 190422), (1278, 171797), (1341, 163726), (2306, 95211), (2682, 81863), (3459, 63474), (6918, 31737), (10377, 21158), (10579, 20754)]