163985164

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 348872832

約数和(自身を除く): 184887668

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 137, 196, 197, 217, 274, 394, 434, 548, 788, 868, 959, 1379, 1519, 1918, 2758, 3038, 3836, 4247, 5516, 6076, 6107, 6713, 8494, 9653, 12214, 13426, 16988, 19306, 24428, 26852, 26989, 29729, 38612, 42749, 53978, 59458, 85498, 107956, 118916, 170996, 188923, 208103, 299243, 377846, 416206, 598486, 755692, 832412, 836659, 1196972, 1322461, 1673318, 2644922, 3346636, 5289844, 5856613, 11713226, 23426452, 40996291, 81992582, 163985164]

約数ペア:

[(1, 163985164), (2, 81992582), (4, 40996291), (7, 23426452), (14, 11713226), (28, 5856613), (31, 5289844), (49, 3346636), (62, 2644922), (98, 1673318), (124, 1322461), (137, 1196972), (196, 836659), (197, 832412), (217, 755692), (274, 598486), (394, 416206), (434, 377846), (548, 299243), (788, 208103), (868, 188923), (959, 170996), (1379, 118916), (1519, 107956), (1918, 85498), (2758, 59458), (3038, 53978), (3836, 42749), (4247, 38612), (5516, 29729), (6076, 26989), (6107, 26852), (6713, 24428), (8494, 19306), (9653, 16988), (12214, 13426)]