128666988

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{38431}}^1$

素因数の和:38475

約数の個数: 48

約数和(自身を含む): 344350720

約数和(自身を除く): 215683732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 38431, 76862, 115293, 153724, 230586, 345879, 461172, 691758, 1037637, 1191361, 1383516, 2075274, 2382722, 3574083, 4150548, 4765444, 7148166, 10722249, 14296332, 21444498, 32166747, 42888996, 64333494, 128666988]

約数ペア:

[(1, 128666988), (2, 64333494), (3, 42888996), (4, 32166747), (6, 21444498), (9, 14296332), (12, 10722249), (18, 7148166), (27, 4765444), (31, 4150548), (36, 3574083), (54, 2382722), (62, 2075274), (93, 1383516), (108, 1191361), (124, 1037637), (186, 691758), (279, 461172), (372, 345879), (558, 230586), (837, 153724), (1116, 115293), (1674, 76862), (3348, 38431)]