20151222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 53125632

約数和(自身を除く): 32974410

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 167, 169, 182, 221, 238, 273, 334, 338, 357, 442, 501, 507, 546, 663, 714, 1002, 1014, 1169, 1183, 1326, 1547, 2171, 2338, 2366, 2839, 2873, 3094, 3507, 3549, 4342, 4641, 5678, 5746, 6513, 7014, 7098, 8517, 8619, 9282, 13026, 15197, 17034, 17238, 19873, 20111, 28223, 30394, 36907, 39746, 40222, 45591, 56446, 59619, 60333, 73814, 84669, 91182, 110721, 119238, 120666, 169338, 197561, 221442, 258349, 395122, 479791, 516698, 592683, 775047, 959582, 1185366, 1439373, 1550094, 2878746, 3358537, 6717074, 10075611, 20151222]

約数ペア:

[(1, 20151222), (2, 10075611), (3, 6717074), (6, 3358537), (7, 2878746), (13, 1550094), (14, 1439373), (17, 1185366), (21, 959582), (26, 775047), (34, 592683), (39, 516698), (42, 479791), (51, 395122), (78, 258349), (91, 221442), (102, 197561), (119, 169338), (167, 120666), (169, 119238), (182, 110721), (221, 91182), (238, 84669), (273, 73814), (334, 60333), (338, 59619), (357, 56446), (442, 45591), (501, 40222), (507, 39746), (546, 36907), (663, 30394), (714, 28223), (1002, 20111), (1014, 19873), (1169, 17238), (1183, 17034), (1326, 15197), (1547, 13026), (2171, 9282), (2338, 8619), (2366, 8517), (2839, 7098), (2873, 7014), (3094, 6513), (3507, 5746), (3549, 5678), (4342, 4641)]