212315152

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{19543}}^1$

素因数の和:19655

約数の個数: 40

約数和(自身を含む): 474997376

約数和(自身を除く): 262682224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 19543, 39086, 78172, 136801, 156344, 273602, 312688, 547204, 1094408, 1895671, 2188816, 3791342, 7582684, 13269697, 15165368, 26539394, 30330736, 53078788, 106157576, 212315152]

約数ペア:

[(1, 212315152), (2, 106157576), (4, 53078788), (7, 30330736), (8, 26539394), (14, 15165368), (16, 13269697), (28, 7582684), (56, 3791342), (97, 2188816), (112, 1895671), (194, 1094408), (388, 547204), (679, 312688), (776, 273602), (1358, 156344), (1552, 136801), (2716, 78172), (5432, 39086), (10864, 19543)]