15663463218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{942787}}^1$

素因数の和:942879

約数の個数: 48

約数和(自身を含む): 37062881856

約数和(自身を除く): 21399418638

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 942787, 1885574, 2828361, 5656722, 8485083, 12256231, 16970166, 24512462, 36768693, 66937877, 73537386, 110306079, 133875754, 200813631, 220612158, 401627262, 602440893, 870192401, 1204881786, 1740384802, 2610577203, 5221154406, 7831731609, 15663463218]

約数ペア:

[(1, 15663463218), (2, 7831731609), (3, 5221154406), (6, 2610577203), (9, 1740384802), (13, 1204881786), (18, 870192401), (26, 602440893), (39, 401627262), (71, 220612158), (78, 200813631), (117, 133875754), (142, 110306079), (213, 73537386), (234, 66937877), (426, 36768693), (639, 24512462), (923, 16970166), (1278, 12256231), (1846, 8485083), (2769, 5656722), (5538, 2828361), (8307, 1885574), (16614, 942787)]