218426356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 413501760

約数和(自身を除く): 195075404

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 211, 212, 257, 422, 514, 844, 1007, 1028, 2014, 4009, 4028, 4883, 8018, 9766, 11183, 13621, 16036, 19532, 22366, 27242, 44732, 54227, 54484, 108454, 212477, 216908, 258799, 424954, 517598, 849908, 1030313, 1035196, 2060626, 2874031, 4121252, 5748062, 11496124, 54606589, 109213178, 218426356]

約数ペア:

[(1, 218426356), (2, 109213178), (4, 54606589), (19, 11496124), (38, 5748062), (53, 4121252), (76, 2874031), (106, 2060626), (211, 1035196), (212, 1030313), (257, 849908), (422, 517598), (514, 424954), (844, 258799), (1007, 216908), (1028, 212477), (2014, 108454), (4009, 54484), (4028, 54227), (4883, 44732), (8018, 27242), (9766, 22366), (11183, 19532), (13621, 16036)]