998774608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{67631}}^1$

素因数の和:67723

約数の個数: 40

約数和(自身を含む): 2113364736

約数和(自身を除く): 1114590128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 67631, 135262, 270524, 541048, 879203, 1082096, 1758406, 3516812, 4801801, 7033624, 9603602, 14067248, 19207204, 38414408, 62423413, 76828816, 124846826, 249693652, 499387304, 998774608]

約数ペア:

[(1, 998774608), (2, 499387304), (4, 249693652), (8, 124846826), (13, 76828816), (16, 62423413), (26, 38414408), (52, 19207204), (71, 14067248), (104, 9603602), (142, 7033624), (208, 4801801), (284, 3516812), (568, 1758406), (923, 1082096), (1136, 879203), (1846, 541048), (3692, 270524), (7384, 135262), (14768, 67631)]