81862732

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 174551328

約数和(自身を除く): 92688596

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 61, 82, 98, 122, 164, 167, 196, 244, 287, 334, 427, 574, 668, 854, 1148, 1169, 1708, 2009, 2338, 2501, 2989, 4018, 4676, 5002, 5978, 6847, 8036, 8183, 10004, 10187, 11956, 13694, 16366, 17507, 20374, 27388, 32732, 35014, 40748, 47929, 70028, 71309, 95858, 122549, 142618, 191716, 245098, 285236, 335503, 417667, 490196, 499163, 671006, 835334, 998326, 1342012, 1670668, 1996652, 2923669, 5847338, 11694676, 20465683, 40931366, 81862732]

約数ペア:

[(1, 81862732), (2, 40931366), (4, 20465683), (7, 11694676), (14, 5847338), (28, 2923669), (41, 1996652), (49, 1670668), (61, 1342012), (82, 998326), (98, 835334), (122, 671006), (164, 499163), (167, 490196), (196, 417667), (244, 335503), (287, 285236), (334, 245098), (427, 191716), (574, 142618), (668, 122549), (854, 95858), (1148, 71309), (1169, 70028), (1708, 47929), (2009, 40748), (2338, 35014), (2501, 32732), (2989, 27388), (4018, 20374), (4676, 17507), (5002, 16366), (5978, 13694), (6847, 11956), (8036, 10187), (8183, 10004)]