688039456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19927}}^1$

素因数の和:20033

約数の個数: 48

約数和(自身を含む): 1476425664

約数和(自身を除く): 788386208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 664, 1079, 1328, 2158, 2656, 4316, 8632, 17264, 19927, 34528, 39854, 79708, 159416, 259051, 318832, 518102, 637664, 1036204, 1653941, 2072408, 3307882, 4144816, 6615764, 8289632, 13231528, 21501233, 26463056, 43002466, 52926112, 86004932, 172009864, 344019728, 688039456]

約数ペア:

[(1, 688039456), (2, 344019728), (4, 172009864), (8, 86004932), (13, 52926112), (16, 43002466), (26, 26463056), (32, 21501233), (52, 13231528), (83, 8289632), (104, 6615764), (166, 4144816), (208, 3307882), (332, 2072408), (416, 1653941), (664, 1036204), (1079, 637664), (1328, 518102), (2158, 318832), (2656, 259051), (4316, 159416), (8632, 79708), (17264, 39854), (19927, 34528)]