127128148

素因数分解:

$2^2\times 7^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 272315904

約数和(自身を除く): 145187756

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 343, 427, 434, 686, 854, 868, 1372, 1519, 1708, 1891, 2401, 2989, 3038, 3782, 4802, 5978, 6076, 7564, 9604, 10633, 11956, 13237, 16807, 20923, 21266, 26474, 33614, 41846, 42532, 52948, 67228, 74431, 83692, 92659, 146461, 148862, 185318, 292922, 297724, 370636, 521017, 585844, 648613, 1025227, 1042034, 1297226, 2050454, 2084068, 2594452, 4100908, 4540291, 9080582, 18161164, 31782037, 63564074, 127128148]

約数ペア:

[(1, 127128148), (2, 63564074), (4, 31782037), (7, 18161164), (14, 9080582), (28, 4540291), (31, 4100908), (49, 2594452), (61, 2084068), (62, 2050454), (98, 1297226), (122, 1042034), (124, 1025227), (196, 648613), (217, 585844), (244, 521017), (343, 370636), (427, 297724), (434, 292922), (686, 185318), (854, 148862), (868, 146461), (1372, 92659), (1519, 83692), (1708, 74431), (1891, 67228), (2401, 52948), (2989, 42532), (3038, 41846), (3782, 33614), (4802, 26474), (5978, 21266), (6076, 20923), (7564, 16807), (9604, 13237), (10633, 11956)]