221054428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6883}}^1$

素因数の和:6962

約数の個数: 48

約数和(自身を含む): 468772864

約数和(自身を除く): 247718436

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 6883, 8029, 13766, 16058, 27532, 32116, 48181, 96362, 192724, 213373, 254671, 426746, 509342, 853492, 1018684, 1493611, 1782697, 2987222, 3565394, 5974444, 7130788, 7894801, 15789602, 31579204, 55263607, 110527214, 221054428]

約数ペア:

[(1, 221054428), (2, 110527214), (4, 55263607), (7, 31579204), (14, 15789602), (28, 7894801), (31, 7130788), (37, 5974444), (62, 3565394), (74, 2987222), (124, 1782697), (148, 1493611), (217, 1018684), (259, 853492), (434, 509342), (518, 426746), (868, 254671), (1036, 213373), (1147, 192724), (2294, 96362), (4588, 48181), (6883, 32116), (8029, 27532), (13766, 16058)]