81438588

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1437

約数の個数: 144

約数和(自身を含む): 268128000

約数和(自身を除く): 186689412

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 378, 396, 441, 462, 539, 588, 594, 693, 756, 882, 924, 1078, 1188, 1323, 1386, 1399, 1617, 1764, 2079, 2156, 2646, 2772, 2798, 3234, 4158, 4197, 4851, 5292, 5596, 6468, 8316, 8394, 9702, 9793, 12591, 14553, 15389, 16788, 19404, 19586, 25182, 29106, 29379, 30778, 37773, 39172, 46167, 50364, 58212, 58758, 61556, 68551, 75546, 88137, 92334, 107723, 117516, 137102, 138501, 151092, 176274, 184668, 205653, 215446, 264411, 274204, 277002, 323169, 352548, 411306, 415503, 430892, 528822, 554004, 616959, 646338, 754061, 822612, 831006, 969507, 1057644, 1233918, 1292676, 1508122, 1662012, 1850877, 1939014, 2262183, 2467836, 2908521, 3016244, 3701754, 3878028, 4524366, 5817042, 6786549, 7403508, 9048732, 11634084, 13573098, 20359647, 27146196, 40719294, 81438588]

約数ペア:

[(1, 81438588), (2, 40719294), (3, 27146196), (4, 20359647), (6, 13573098), (7, 11634084), (9, 9048732), (11, 7403508), (12, 6786549), (14, 5817042), (18, 4524366), (21, 3878028), (22, 3701754), (27, 3016244), (28, 2908521), (33, 2467836), (36, 2262183), (42, 1939014), (44, 1850877), (49, 1662012), (54, 1508122), (63, 1292676), (66, 1233918), (77, 1057644), (84, 969507), (98, 831006), (99, 822612), (108, 754061), (126, 646338), (132, 616959), (147, 554004), (154, 528822), (189, 430892), (196, 415503), (198, 411306), (231, 352548), (252, 323169), (294, 277002), (297, 274204), (308, 264411), (378, 215446), (396, 205653), (441, 184668), (462, 176274), (539, 151092), (588, 138501), (594, 137102), (693, 117516), (756, 107723), (882, 92334), (924, 88137), (1078, 75546), (1188, 68551), (1323, 61556), (1386, 58758), (1399, 58212), (1617, 50364), (1764, 46167), (2079, 39172), (2156, 37773), (2646, 30778), (2772, 29379), (2798, 29106), (3234, 25182), (4158, 19586), (4197, 19404), (4851, 16788), (5292, 15389), (5596, 14553), (6468, 12591), (8316, 9793), (8394, 9702)]