402556142

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 636539904

約数和(自身を除く): 233983762

約数列:

[1, 2, 31, 62, 83, 137, 166, 274, 571, 1142, 2573, 4247, 5146, 8494, 11371, 17701, 22742, 35402, 47393, 78227, 94786, 156454, 352501, 705002, 1469183, 2425037, 2938366, 4850074, 6492841, 12985682, 201278071, 402556142]

約数ペア:

[(1, 402556142), (2, 201278071), (31, 12985682), (62, 6492841), (83, 4850074), (137, 2938366), (166, 2425037), (274, 1469183), (571, 705002), (1142, 352501), (2573, 156454), (4247, 94786), (5146, 78227), (8494, 47393), (11371, 35402), (17701, 22742)]