81212536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 173210400

約数和(自身を除く): 91997864

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 53, 68, 76, 106, 136, 152, 212, 323, 424, 593, 646, 901, 1007, 1186, 1292, 1802, 2014, 2372, 2584, 3604, 4028, 4744, 7208, 8056, 10081, 11267, 17119, 20162, 22534, 31429, 34238, 40324, 45068, 62858, 68476, 80648, 90136, 125716, 136952, 191539, 251432, 383078, 534293, 597151, 766156, 1068586, 1194302, 1532312, 2137172, 2388604, 4274344, 4777208, 10151567, 20303134, 40606268, 81212536]

約数ペア:

[(1, 81212536), (2, 40606268), (4, 20303134), (8, 10151567), (17, 4777208), (19, 4274344), (34, 2388604), (38, 2137172), (53, 1532312), (68, 1194302), (76, 1068586), (106, 766156), (136, 597151), (152, 534293), (212, 383078), (323, 251432), (424, 191539), (593, 136952), (646, 125716), (901, 90136), (1007, 80648), (1186, 68476), (1292, 62858), (1802, 45068), (2014, 40324), (2372, 34238), (2584, 31429), (3604, 22534), (4028, 20162), (4744, 17119), (7208, 11267), (8056, 10081)]