28153132

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 58643200

約数和(自身を除く): 30490068

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 172, 268, 301, 349, 469, 602, 698, 938, 1204, 1396, 1876, 2443, 2881, 4886, 5762, 9772, 11524, 15007, 20167, 23383, 30014, 40334, 46766, 60028, 80668, 93532, 105049, 163681, 210098, 327362, 420196, 654724, 1005469, 2010938, 4021876, 7038283, 14076566, 28153132]

約数ペア:

[(1, 28153132), (2, 14076566), (4, 7038283), (7, 4021876), (14, 2010938), (28, 1005469), (43, 654724), (67, 420196), (86, 327362), (134, 210098), (172, 163681), (268, 105049), (301, 93532), (349, 80668), (469, 60028), (602, 46766), (698, 40334), (938, 30014), (1204, 23383), (1396, 20167), (1876, 15007), (2443, 11524), (2881, 9772), (4886, 5762)]