128753044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 288727040

約数和(自身を除く): 159973996

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 37, 38, 62, 74, 76, 124, 133, 148, 211, 217, 259, 266, 422, 434, 518, 532, 589, 703, 844, 868, 1036, 1147, 1178, 1406, 1477, 2294, 2356, 2812, 2954, 4009, 4123, 4588, 4921, 5908, 6541, 7807, 8018, 8029, 8246, 9842, 13082, 15614, 16036, 16058, 16492, 19684, 21793, 26164, 28063, 31228, 32116, 43586, 45787, 54649, 56126, 87172, 91574, 109298, 112252, 124279, 148333, 152551, 183148, 218596, 242017, 248558, 296666, 305102, 484034, 497116, 593332, 610204, 869953, 968068, 1038331, 1694119, 1739906, 2076662, 3388238, 3479812, 4153324, 4598323, 6776476, 9196646, 18393292, 32188261, 64376522, 128753044]

約数ペア:

[(1, 128753044), (2, 64376522), (4, 32188261), (7, 18393292), (14, 9196646), (19, 6776476), (28, 4598323), (31, 4153324), (37, 3479812), (38, 3388238), (62, 2076662), (74, 1739906), (76, 1694119), (124, 1038331), (133, 968068), (148, 869953), (211, 610204), (217, 593332), (259, 497116), (266, 484034), (422, 305102), (434, 296666), (518, 248558), (532, 242017), (589, 218596), (703, 183148), (844, 152551), (868, 148333), (1036, 124279), (1147, 112252), (1178, 109298), (1406, 91574), (1477, 87172), (2294, 56126), (2356, 54649), (2812, 45787), (2954, 43586), (4009, 32116), (4123, 31228), (4588, 28063), (4921, 26164), (5908, 21793), (6541, 19684), (7807, 16492), (8018, 16058), (8029, 16036), (8246, 15614), (9842, 13082)]