221365648

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{23813}}^1$

素因数の和:23911

約数の個数: 40

約数和(自身を含む): 496093248

約数和(自身を除く): 274727600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 23813, 47626, 95252, 166691, 190504, 333382, 381008, 666764, 1333528, 1976479, 2667056, 3952958, 7905916, 13835353, 15811832, 27670706, 31623664, 55341412, 110682824, 221365648]

約数ペア:

[(1, 221365648), (2, 110682824), (4, 55341412), (7, 31623664), (8, 27670706), (14, 15811832), (16, 13835353), (28, 7905916), (56, 3952958), (83, 2667056), (112, 1976479), (166, 1333528), (332, 666764), (581, 381008), (664, 333382), (1162, 190504), (1328, 166691), (2324, 95252), (4648, 47626), (9296, 23813)]