1553910774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{27941}}^1$

素因数の和:28013

約数の個数: 64

約数和(自身を含む): 3605188608

約数和(自身を除く): 2051277834

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 598, 713, 806, 897, 1209, 1426, 1794, 2139, 2418, 4278, 9269, 18538, 27807, 27941, 55614, 55882, 83823, 167646, 363233, 642643, 726466, 866171, 1089699, 1285286, 1732342, 1927929, 2179398, 2598513, 3855858, 5197026, 8354359, 11260223, 16708718, 19921933, 22520446, 25063077, 33780669, 39843866, 50126154, 59765799, 67561338, 119531598, 258985129, 517970258, 776955387, 1553910774]

約数ペア:

[(1, 1553910774), (2, 776955387), (3, 517970258), (6, 258985129), (13, 119531598), (23, 67561338), (26, 59765799), (31, 50126154), (39, 39843866), (46, 33780669), (62, 25063077), (69, 22520446), (78, 19921933), (93, 16708718), (138, 11260223), (186, 8354359), (299, 5197026), (403, 3855858), (598, 2598513), (713, 2179398), (806, 1927929), (897, 1732342), (1209, 1285286), (1426, 1089699), (1794, 866171), (2139, 726466), (2418, 642643), (4278, 363233), (9269, 167646), (18538, 83823), (27807, 55882), (27941, 55614)]