64341904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 145704960

約数和(自身を除く): 81363056

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 271, 284, 304, 418, 542, 568, 781, 836, 1084, 1136, 1349, 1562, 1672, 2168, 2698, 2981, 3124, 3344, 4336, 5149, 5396, 5962, 6248, 10298, 10792, 11924, 12496, 14839, 19241, 20596, 21584, 23848, 29678, 38482, 41192, 47696, 56639, 59356, 76964, 82384, 113278, 118712, 153928, 211651, 226556, 237424, 307856, 365579, 423302, 453112, 731158, 846604, 906224, 1462316, 1693208, 2924632, 3386416, 4021369, 5849264, 8042738, 16085476, 32170952, 64341904]

約数ペア:

[(1, 64341904), (2, 32170952), (4, 16085476), (8, 8042738), (11, 5849264), (16, 4021369), (19, 3386416), (22, 2924632), (38, 1693208), (44, 1462316), (71, 906224), (76, 846604), (88, 731158), (142, 453112), (152, 423302), (176, 365579), (209, 307856), (271, 237424), (284, 226556), (304, 211651), (418, 153928), (542, 118712), (568, 113278), (781, 82384), (836, 76964), (1084, 59356), (1136, 56639), (1349, 47696), (1562, 41192), (1672, 38482), (2168, 29678), (2698, 23848), (2981, 21584), (3124, 20596), (3344, 19241), (4336, 14839), (5149, 12496), (5396, 11924), (5962, 10792), (6248, 10298)]