161838124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5078

約数の個数: 48

約数和(自身を含む): 346366720

約数和(自身を除く): 184528596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 427, 532, 854, 1159, 1708, 2318, 4636, 4987, 8113, 9974, 16226, 19948, 32452, 34909, 69818, 94753, 139636, 189506, 304207, 379012, 608414, 663271, 1216828, 1326542, 2129449, 2653084, 4258898, 5779933, 8517796, 11559866, 23119732, 40459531, 80919062, 161838124]

約数ペア:

[(1, 161838124), (2, 80919062), (4, 40459531), (7, 23119732), (14, 11559866), (19, 8517796), (28, 5779933), (38, 4258898), (61, 2653084), (76, 2129449), (122, 1326542), (133, 1216828), (244, 663271), (266, 608414), (427, 379012), (532, 304207), (854, 189506), (1159, 139636), (1708, 94753), (2318, 69818), (4636, 34909), (4987, 32452), (8113, 19948), (9974, 16226)]