208954768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{19463}}^1$

素因数の和:19543

約数の個数: 40

約数和(自身を含む): 448917696

約数和(自身を除く): 239962928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 10736, 19463, 38926, 77852, 155704, 214093, 311408, 428186, 856372, 1187243, 1712744, 2374486, 3425488, 4748972, 9497944, 13059673, 18995888, 26119346, 52238692, 104477384, 208954768]

約数ペア:

[(1, 208954768), (2, 104477384), (4, 52238692), (8, 26119346), (11, 18995888), (16, 13059673), (22, 9497944), (44, 4748972), (61, 3425488), (88, 2374486), (122, 1712744), (176, 1187243), (244, 856372), (488, 428186), (671, 311408), (976, 214093), (1342, 155704), (2684, 77852), (5368, 38926), (10736, 19463)]