28156766008

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{155521}}^1$

素因数の和:155648

約数の個数: 64

約数和(自身を含む): 62482518720

約数和(自身を除く): 34325752712

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 61, 106, 122, 212, 244, 371, 424, 427, 488, 742, 854, 1484, 1708, 2968, 3233, 3416, 6466, 12932, 22631, 25864, 45262, 90524, 155521, 181048, 311042, 622084, 1088647, 1244168, 2177294, 4354588, 8242613, 8709176, 9486781, 16485226, 18973562, 32970452, 37947124, 57698291, 65940904, 66407467, 75894248, 115396582, 132814934, 230793164, 265629868, 461586328, 502799393, 531259736, 1005598786, 2011197572, 3519595751, 4022395144, 7039191502, 14078383004, 28156766008]

約数ペア:

[(1, 28156766008), (2, 14078383004), (4, 7039191502), (7, 4022395144), (8, 3519595751), (14, 2011197572), (28, 1005598786), (53, 531259736), (56, 502799393), (61, 461586328), (106, 265629868), (122, 230793164), (212, 132814934), (244, 115396582), (371, 75894248), (424, 66407467), (427, 65940904), (488, 57698291), (742, 37947124), (854, 32970452), (1484, 18973562), (1708, 16485226), (2968, 9486781), (3233, 8709176), (3416, 8242613), (6466, 4354588), (12932, 2177294), (22631, 1244168), (25864, 1088647), (45262, 622084), (90524, 311042), (155521, 181048)]