51261756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 155441664

約数和(自身を除く): 104179908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 78, 84, 91, 92, 138, 156, 157, 161, 169, 182, 273, 276, 299, 314, 322, 338, 364, 471, 483, 507, 546, 598, 628, 644, 676, 897, 942, 966, 1014, 1092, 1099, 1183, 1196, 1794, 1884, 1932, 2028, 2041, 2093, 2198, 2366, 3297, 3549, 3588, 3611, 3887, 4082, 4186, 4396, 4732, 6123, 6279, 6594, 7098, 7222, 7774, 8164, 8372, 10833, 11661, 12246, 12558, 13188, 14196, 14287, 14444, 15548, 21666, 23322, 24492, 25116, 25277, 26533, 27209, 28574, 42861, 43332, 46644, 46943, 50554, 53066, 54418, 57148, 75831, 79599, 81627, 85722, 93886, 101108, 106132, 108836, 140829, 151662, 159198, 163254, 171444, 185731, 187772, 281658, 303324, 318396, 326508, 328601, 371462, 557193, 563316, 610259, 657202, 742924, 985803, 1114386, 1220518, 1314404, 1830777, 1971606, 2228772, 2441036, 3661554, 3943212, 4271813, 7323108, 8543626, 12815439, 17087252, 25630878, 51261756]

約数ペア:

[(1, 51261756), (2, 25630878), (3, 17087252), (4, 12815439), (6, 8543626), (7, 7323108), (12, 4271813), (13, 3943212), (14, 3661554), (21, 2441036), (23, 2228772), (26, 1971606), (28, 1830777), (39, 1314404), (42, 1220518), (46, 1114386), (52, 985803), (69, 742924), (78, 657202), (84, 610259), (91, 563316), (92, 557193), (138, 371462), (156, 328601), (157, 326508), (161, 318396), (169, 303324), (182, 281658), (273, 187772), (276, 185731), (299, 171444), (314, 163254), (322, 159198), (338, 151662), (364, 140829), (471, 108836), (483, 106132), (507, 101108), (546, 93886), (598, 85722), (628, 81627), (644, 79599), (676, 75831), (897, 57148), (942, 54418), (966, 53066), (1014, 50554), (1092, 46943), (1099, 46644), (1183, 43332), (1196, 42861), (1794, 28574), (1884, 27209), (1932, 26533), (2028, 25277), (2041, 25116), (2093, 24492), (2198, 23322), (2366, 21666), (3297, 15548), (3549, 14444), (3588, 14287), (3611, 14196), (3887, 13188), (4082, 12558), (4186, 12246), (4396, 11661), (4732, 10833), (6123, 8372), (6279, 8164), (6594, 7774), (7098, 7222)]