915616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1116512

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 71, 104, 124, 142, 208, 248, 284, 403, 416, 496, 568, 806, 923, 992, 1136, 1612, 1846, 2201, 2272, 3224, 3692, 4402, 6448, 7384, 8804, 12896, 14768, 17608, 28613, 29536, 35216, 57226, 70432, 114452, 228904, 457808, 915616]

約数ペア:

[(1, 915616), (2, 457808), (4, 228904), (8, 114452), (13, 70432), (16, 57226), (26, 35216), (31, 29536), (32, 28613), (52, 17608), (62, 14768), (71, 12896), (104, 8804), (124, 7384), (142, 6448), (208, 4402), (248, 3692), (284, 3224), (403, 2272), (416, 2201), (496, 1846), (568, 1612), (806, 1136), (923, 992)]