161831656

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 363156480

約数和(自身を除く): 201324824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 73, 124, 146, 217, 248, 292, 434, 511, 584, 868, 1022, 1277, 1736, 2044, 2263, 2554, 4088, 4526, 5108, 8939, 9052, 10216, 15841, 17878, 18104, 31682, 35756, 39587, 63364, 71512, 79174, 93221, 126728, 158348, 186442, 277109, 316696, 372884, 554218, 652547, 745768, 1108436, 1305094, 2216872, 2610188, 2889851, 5220376, 5779702, 11559404, 20228957, 23118808, 40457914, 80915828, 161831656]

約数ペア:

[(1, 161831656), (2, 80915828), (4, 40457914), (7, 23118808), (8, 20228957), (14, 11559404), (28, 5779702), (31, 5220376), (56, 2889851), (62, 2610188), (73, 2216872), (124, 1305094), (146, 1108436), (217, 745768), (248, 652547), (292, 554218), (434, 372884), (511, 316696), (584, 277109), (868, 186442), (1022, 158348), (1277, 126728), (1736, 93221), (2044, 79174), (2263, 71512), (2554, 63364), (4088, 39587), (4526, 35756), (5108, 31682), (8939, 18104), (9052, 17878), (10216, 15841)]