28672490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 38512150

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1619, 1771, 2530, 3238, 3542, 8095, 8855, 11333, 16190, 17710, 17809, 22666, 35618, 37237, 56665, 74474, 89045, 113330, 124663, 178090, 186185, 249326, 260659, 372370, 409607, 521318, 623315, 819214, 1246630, 1303295, 2048035, 2606590, 2867249, 4096070, 5734498, 14336245, 28672490]

約数ペア:

[(1, 28672490), (2, 14336245), (5, 5734498), (7, 4096070), (10, 2867249), (11, 2606590), (14, 2048035), (22, 1303295), (23, 1246630), (35, 819214), (46, 623315), (55, 521318), (70, 409607), (77, 372370), (110, 260659), (115, 249326), (154, 186185), (161, 178090), (230, 124663), (253, 113330), (322, 89045), (385, 74474), (506, 56665), (770, 37237), (805, 35618), (1265, 22666), (1610, 17809), (1619, 17710), (1771, 16190), (2530, 11333), (3238, 8855), (3542, 8095)]