81988928

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 112

約数和(自身を含む): 198485760

約数和(自身を除く): 116496832

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 73, 92, 109, 112, 146, 161, 184, 218, 224, 292, 322, 368, 436, 448, 511, 584, 644, 736, 763, 872, 1022, 1168, 1288, 1472, 1526, 1679, 1744, 2044, 2336, 2507, 2576, 3052, 3358, 3488, 4088, 4672, 5014, 5152, 6104, 6716, 6976, 7957, 8176, 10028, 10304, 11753, 12208, 13432, 15914, 16352, 17549, 20056, 23506, 24416, 26864, 31828, 32704, 35098, 40112, 47012, 48832, 53728, 55699, 63656, 70196, 80224, 94024, 107456, 111398, 127312, 140392, 160448, 183011, 188048, 222796, 254624, 280784, 366022, 376096, 445592, 509248, 561568, 732044, 752192, 891184, 1123136, 1281077, 1464088, 1782368, 2562154, 2928176, 3564736, 5124308, 5856352, 10248616, 11712704, 20497232, 40994464, 81988928]

約数ペア:

[(1, 81988928), (2, 40994464), (4, 20497232), (7, 11712704), (8, 10248616), (14, 5856352), (16, 5124308), (23, 3564736), (28, 2928176), (32, 2562154), (46, 1782368), (56, 1464088), (64, 1281077), (73, 1123136), (92, 891184), (109, 752192), (112, 732044), (146, 561568), (161, 509248), (184, 445592), (218, 376096), (224, 366022), (292, 280784), (322, 254624), (368, 222796), (436, 188048), (448, 183011), (511, 160448), (584, 140392), (644, 127312), (736, 111398), (763, 107456), (872, 94024), (1022, 80224), (1168, 70196), (1288, 63656), (1472, 55699), (1526, 53728), (1679, 48832), (1744, 47012), (2044, 40112), (2336, 35098), (2507, 32704), (2576, 31828), (3052, 26864), (3358, 24416), (3488, 23506), (4088, 20056), (4672, 17549), (5014, 16352), (5152, 15914), (6104, 13432), (6716, 12208), (6976, 11753), (7957, 10304), (8176, 10028)]