90261808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 219985920

約数和(自身を除く): 129724112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 329, 364, 376, 611, 658, 728, 752, 1222, 1316, 1319, 1456, 2444, 2632, 2638, 4277, 4888, 5264, 5276, 8554, 9233, 9776, 10552, 17108, 17147, 18466, 21104, 34216, 34294, 36932, 61993, 68432, 68588, 73864, 120029, 123986, 137176, 147728, 240058, 247972, 274352, 433951, 480116, 495944, 805909, 867902, 960232, 991888, 1611818, 1735804, 1920464, 3223636, 3471608, 5641363, 6447272, 6943216, 11282726, 12894544, 22565452, 45130904, 90261808]

約数ペア:

[(1, 90261808), (2, 45130904), (4, 22565452), (7, 12894544), (8, 11282726), (13, 6943216), (14, 6447272), (16, 5641363), (26, 3471608), (28, 3223636), (47, 1920464), (52, 1735804), (56, 1611818), (91, 991888), (94, 960232), (104, 867902), (112, 805909), (182, 495944), (188, 480116), (208, 433951), (329, 274352), (364, 247972), (376, 240058), (611, 147728), (658, 137176), (728, 123986), (752, 120029), (1222, 73864), (1316, 68588), (1319, 68432), (1456, 61993), (2444, 36932), (2632, 34294), (2638, 34216), (4277, 21104), (4888, 18466), (5264, 17147), (5276, 17108), (8554, 10552), (9233, 9776)]