223670447

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 309228192

約数和(自身を除く): 85557745

約数列:

[1, 7, 11, 13, 49, 77, 91, 137, 143, 233, 539, 637, 959, 1001, 1507, 1631, 1781, 2563, 3029, 6713, 7007, 10549, 11417, 12467, 17941, 19591, 21203, 31921, 33319, 73843, 87269, 125587, 137137, 148421, 223447, 233233, 351131, 414973, 959959, 1564129, 1632631, 2457917, 2904811, 4564703, 17205419, 20333677, 31952921, 223670447]

約数ペア:

[(1, 223670447), (7, 31952921), (11, 20333677), (13, 17205419), (49, 4564703), (77, 2904811), (91, 2457917), (137, 1632631), (143, 1564129), (233, 959959), (539, 414973), (637, 351131), (959, 233233), (1001, 223447), (1507, 148421), (1631, 137137), (1781, 125587), (2563, 87269), (3029, 73843), (6713, 33319), (7007, 31921), (10549, 21203), (11417, 19591), (12467, 17941)]