211936816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{11197}}^1$

素因数の和:11238

約数の個数: 60

約数和(自身を含む): 508210032

約数和(自身を除く): 296273216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 11197, 18928, 22394, 44788, 78379, 89576, 145561, 156758, 179152, 291122, 313516, 582244, 627032, 1018927, 1164488, 1254064, 1892293, 2037854, 2328976, 3784586, 4075708, 7569172, 8151416, 13246051, 15138344, 16302832, 26492102, 30276688, 52984204, 105968408, 211936816]

約数ペア:

[(1, 211936816), (2, 105968408), (4, 52984204), (7, 30276688), (8, 26492102), (13, 16302832), (14, 15138344), (16, 13246051), (26, 8151416), (28, 7569172), (52, 4075708), (56, 3784586), (91, 2328976), (104, 2037854), (112, 1892293), (169, 1254064), (182, 1164488), (208, 1018927), (338, 627032), (364, 582244), (676, 313516), (728, 291122), (1183, 179152), (1352, 156758), (1456, 145561), (2366, 89576), (2704, 78379), (4732, 44788), (9464, 22394), (11197, 18928)]