131951248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 303855552

約数和(自身を除く): 171904304

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 101, 104, 143, 176, 202, 208, 286, 404, 571, 572, 808, 1111, 1142, 1144, 1313, 1616, 2222, 2284, 2288, 2626, 4444, 4568, 5252, 6281, 7423, 8888, 9136, 10504, 12562, 14443, 14846, 17776, 21008, 25124, 28886, 29692, 50248, 57671, 57772, 59384, 81653, 100496, 115342, 115544, 118768, 163306, 230684, 231088, 326612, 461368, 634381, 653224, 749723, 922736, 1268762, 1306448, 1499446, 2537524, 2998892, 5075048, 5997784, 8246953, 10150096, 11995568, 16493906, 32987812, 65975624, 131951248]

約数ペア:

[(1, 131951248), (2, 65975624), (4, 32987812), (8, 16493906), (11, 11995568), (13, 10150096), (16, 8246953), (22, 5997784), (26, 5075048), (44, 2998892), (52, 2537524), (88, 1499446), (101, 1306448), (104, 1268762), (143, 922736), (176, 749723), (202, 653224), (208, 634381), (286, 461368), (404, 326612), (571, 231088), (572, 230684), (808, 163306), (1111, 118768), (1142, 115544), (1144, 115342), (1313, 100496), (1616, 81653), (2222, 59384), (2284, 57772), (2288, 57671), (2626, 50248), (4444, 29692), (4568, 28886), (5252, 25124), (6281, 21008), (7423, 17776), (8888, 14846), (9136, 14443), (10504, 12562)]