31381992

素因数分解:

$2^3\times 3^6\times {\mathrm{5381}}^1$

素因数の和:5405

約数の個数: 56

約数和(自身を含む): 88237890

約数和(自身を除く): 56855898

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 5381, 5832, 10762, 16143, 21524, 32286, 43048, 48429, 64572, 96858, 129144, 145287, 193716, 290574, 387432, 435861, 581148, 871722, 1162296, 1307583, 1743444, 2615166, 3486888, 3922749, 5230332, 7845498, 10460664, 15690996, 31381992]

約数ペア:

[(1, 31381992), (2, 15690996), (3, 10460664), (4, 7845498), (6, 5230332), (8, 3922749), (9, 3486888), (12, 2615166), (18, 1743444), (24, 1307583), (27, 1162296), (36, 871722), (54, 581148), (72, 435861), (81, 387432), (108, 290574), (162, 193716), (216, 145287), (243, 129144), (324, 96858), (486, 64572), (648, 48429), (729, 43048), (972, 32286), (1458, 21524), (1944, 16143), (2916, 10762), (5381, 5832)]