18656697605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{32261}}^1$

素因数の和:32358

約数の個数: 64

約数和(自身を含む): 29138006016

約数和(自身を除く): 10481308411

約数列:

[1, 5, 7, 13, 31, 35, 41, 65, 91, 155, 205, 217, 287, 403, 455, 533, 1085, 1271, 1435, 2015, 2665, 2821, 3731, 6355, 8897, 14105, 16523, 18655, 32261, 44485, 82615, 115661, 161305, 225827, 419393, 578305, 1000091, 1129135, 1322701, 2096965, 2935751, 5000455, 6613505, 7000637, 9258907, 13001183, 14678755, 17195113, 35003185, 41003731, 46294535, 65005915, 85975565, 91008281, 120365791, 205018655, 287026117, 455041405, 533048503, 601828955, 1435130585, 2665242515, 3731339521, 18656697605]

約数ペア:

[(1, 18656697605), (5, 3731339521), (7, 2665242515), (13, 1435130585), (31, 601828955), (35, 533048503), (41, 455041405), (65, 287026117), (91, 205018655), (155, 120365791), (205, 91008281), (217, 85975565), (287, 65005915), (403, 46294535), (455, 41003731), (533, 35003185), (1085, 17195113), (1271, 14678755), (1435, 13001183), (2015, 9258907), (2665, 7000637), (2821, 6613505), (3731, 5000455), (6355, 2935751), (8897, 2096965), (14105, 1322701), (16523, 1129135), (18655, 1000091), (32261, 578305), (44485, 419393), (82615, 225827), (115661, 161305)]