664871636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 1452971520

約数和(自身を除く): 788099884

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 131, 143, 209, 247, 262, 286, 418, 467, 494, 524, 572, 836, 934, 988, 1441, 1703, 1868, 2489, 2717, 2882, 3406, 4978, 5137, 5434, 5764, 6071, 6812, 8873, 9956, 10274, 10868, 12142, 17746, 18733, 20548, 24284, 27379, 32357, 35492, 37466, 54758, 61177, 64714, 66781, 74932, 97603, 109516, 115349, 122354, 129428, 133562, 195206, 230698, 244708, 267124, 355927, 390412, 461396, 672947, 711854, 795301, 1162363, 1268839, 1345894, 1423708, 1590602, 2324726, 2537678, 2691788, 3181204, 4649452, 5075356, 8748311, 12785993, 15110719, 17496622, 25571986, 30221438, 34993244, 51143972, 60442876, 166217909, 332435818, 664871636]

約数ペア:

[(1, 664871636), (2, 332435818), (4, 166217909), (11, 60442876), (13, 51143972), (19, 34993244), (22, 30221438), (26, 25571986), (38, 17496622), (44, 15110719), (52, 12785993), (76, 8748311), (131, 5075356), (143, 4649452), (209, 3181204), (247, 2691788), (262, 2537678), (286, 2324726), (418, 1590602), (467, 1423708), (494, 1345894), (524, 1268839), (572, 1162363), (836, 795301), (934, 711854), (988, 672947), (1441, 461396), (1703, 390412), (1868, 355927), (2489, 267124), (2717, 244708), (2882, 230698), (3406, 195206), (4978, 133562), (5137, 129428), (5434, 122354), (5764, 115349), (6071, 109516), (6812, 97603), (8873, 74932), (9956, 66781), (10274, 64714), (10868, 61177), (12142, 54758), (17746, 37466), (18733, 35492), (20548, 32357), (24284, 27379)]