1328790736

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{912631}}^1$

素因数の和:912659

約数の個数: 40

約数和(自身を含む): 3168658304

約数和(自身を除く): 1839867568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 912631, 1825262, 3650524, 6388417, 7301048, 11864203, 12776834, 14602096, 23728406, 25553668, 47456812, 51107336, 83049421, 94913624, 102214672, 166098842, 189827248, 332197684, 664395368, 1328790736]

約数ペア:

[(1, 1328790736), (2, 664395368), (4, 332197684), (7, 189827248), (8, 166098842), (13, 102214672), (14, 94913624), (16, 83049421), (26, 51107336), (28, 47456812), (52, 25553668), (56, 23728406), (91, 14602096), (104, 12776834), (112, 11864203), (182, 7301048), (208, 6388417), (364, 3650524), (728, 1825262), (1456, 912631)]