161953036

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 350513520

約数和(自身を除く): 188560484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 157, 196, 266, 277, 314, 532, 554, 628, 931, 1099, 1108, 1862, 1939, 2198, 2983, 3724, 3878, 4396, 5263, 5966, 7693, 7756, 10526, 11932, 13573, 15386, 20881, 21052, 27146, 30772, 36841, 41762, 43489, 54292, 73682, 83524, 86978, 146167, 147364, 173956, 257887, 292334, 304423, 515774, 584668, 608846, 826291, 1031548, 1217692, 1652582, 2130961, 3305164, 4261922, 5784037, 8523844, 11568074, 23136148, 40488259, 80976518, 161953036]

約数ペア:

[(1, 161953036), (2, 80976518), (4, 40488259), (7, 23136148), (14, 11568074), (19, 8523844), (28, 5784037), (38, 4261922), (49, 3305164), (76, 2130961), (98, 1652582), (133, 1217692), (157, 1031548), (196, 826291), (266, 608846), (277, 584668), (314, 515774), (532, 304423), (554, 292334), (628, 257887), (931, 173956), (1099, 147364), (1108, 146167), (1862, 86978), (1939, 83524), (2198, 73682), (2983, 54292), (3724, 43489), (3878, 41762), (4396, 36841), (5263, 30772), (5966, 27146), (7693, 21052), (7756, 20881), (10526, 15386), (11932, 13573)]