16440788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 37368576

約数和(自身を除く): 20927788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 47, 52, 62, 91, 94, 124, 182, 188, 217, 329, 364, 403, 434, 611, 658, 806, 868, 961, 1222, 1316, 1457, 1612, 1922, 2444, 2821, 2914, 3844, 4277, 5642, 5828, 6727, 8554, 10199, 11284, 12493, 13454, 17108, 18941, 20398, 24986, 26908, 37882, 40796, 45167, 49972, 75764, 87451, 90334, 132587, 174902, 180668, 265174, 316169, 349804, 530348, 587171, 632338, 1174342, 1264676, 2348684, 4110197, 8220394, 16440788]

約数ペア:

[(1, 16440788), (2, 8220394), (4, 4110197), (7, 2348684), (13, 1264676), (14, 1174342), (26, 632338), (28, 587171), (31, 530348), (47, 349804), (52, 316169), (62, 265174), (91, 180668), (94, 174902), (124, 132587), (182, 90334), (188, 87451), (217, 75764), (329, 49972), (364, 45167), (403, 40796), (434, 37882), (611, 26908), (658, 24986), (806, 20398), (868, 18941), (961, 17108), (1222, 13454), (1316, 12493), (1457, 11284), (1612, 10199), (1922, 8554), (2444, 6727), (2821, 5828), (2914, 5642), (3844, 4277)]