218510012

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 473054400

約数和(自身を除く): 254544388

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 406, 518, 812, 1036, 1039, 1073, 1421, 1813, 2078, 2146, 2842, 3626, 4156, 4292, 5684, 7252, 7273, 7511, 14546, 15022, 29092, 30044, 30131, 38443, 50911, 52577, 60262, 76886, 101822, 105154, 120524, 153772, 203644, 210308, 210917, 269101, 421834, 538202, 843668, 1076404, 1114847, 1476419, 1883707, 2229694, 2952838, 3767414, 4459388, 5905676, 7534828, 7803929, 15607858, 31215716, 54627503, 109255006, 218510012]

約数ペア:

[(1, 218510012), (2, 109255006), (4, 54627503), (7, 31215716), (14, 15607858), (28, 7803929), (29, 7534828), (37, 5905676), (49, 4459388), (58, 3767414), (74, 2952838), (98, 2229694), (116, 1883707), (148, 1476419), (196, 1114847), (203, 1076404), (259, 843668), (406, 538202), (518, 421834), (812, 269101), (1036, 210917), (1039, 210308), (1073, 203644), (1421, 153772), (1813, 120524), (2078, 105154), (2146, 101822), (2842, 76886), (3626, 60262), (4156, 52577), (4292, 50911), (5684, 38443), (7252, 30131), (7273, 30044), (7511, 29092), (14546, 15022)]