638269884

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{6827}}^1$

素因数の和:6904

約数の個数: 108

約数和(自身を含む): 1912509144

約数和(自身を除く): 1274239260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 53, 63, 84, 98, 106, 126, 147, 159, 196, 212, 252, 294, 318, 371, 441, 477, 588, 636, 742, 882, 954, 1113, 1484, 1764, 1908, 2226, 2597, 3339, 4452, 5194, 6678, 6827, 7791, 10388, 13356, 13654, 15582, 20481, 23373, 27308, 31164, 40962, 46746, 47789, 61443, 81924, 93492, 95578, 122886, 143367, 191156, 245772, 286734, 334523, 361831, 430101, 573468, 669046, 723662, 860202, 1003569, 1085493, 1338092, 1447324, 1720404, 2007138, 2170986, 2532817, 3010707, 3256479, 4014276, 4341972, 5065634, 6021414, 6512958, 7598451, 10131268, 12042828, 13025916, 15196902, 17729719, 22795353, 30393804, 35459438, 45590706, 53189157, 70918876, 91181412, 106378314, 159567471, 212756628, 319134942, 638269884]

約数ペア:

[(1, 638269884), (2, 319134942), (3, 212756628), (4, 159567471), (6, 106378314), (7, 91181412), (9, 70918876), (12, 53189157), (14, 45590706), (18, 35459438), (21, 30393804), (28, 22795353), (36, 17729719), (42, 15196902), (49, 13025916), (53, 12042828), (63, 10131268), (84, 7598451), (98, 6512958), (106, 6021414), (126, 5065634), (147, 4341972), (159, 4014276), (196, 3256479), (212, 3010707), (252, 2532817), (294, 2170986), (318, 2007138), (371, 1720404), (441, 1447324), (477, 1338092), (588, 1085493), (636, 1003569), (742, 860202), (882, 723662), (954, 669046), (1113, 573468), (1484, 430101), (1764, 361831), (1908, 334523), (2226, 286734), (2597, 245772), (3339, 191156), (4452, 143367), (5194, 122886), (6678, 95578), (6827, 93492), (7791, 81924), (10388, 61443), (13356, 47789), (13654, 46746), (15582, 40962), (20481, 31164), (23373, 27308)]