1278971358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1602721}}^1$

素因数の和:1602752

約数の個数: 32

約数和(自身を含む): 3077226240

約数和(自身を除く): 1798254882

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 1602721, 3205442, 4808163, 9616326, 11219047, 22438094, 30451699, 33657141, 60903398, 67314282, 91355097, 182710194, 213161893, 426323786, 639485679, 1278971358]

約数ペア:

[(1, 1278971358), (2, 639485679), (3, 426323786), (6, 213161893), (7, 182710194), (14, 91355097), (19, 67314282), (21, 60903398), (38, 33657141), (42, 30451699), (57, 22438094), (114, 11219047), (133, 9616326), (266, 4808163), (399, 3205442), (798, 1602721)]