1288707965168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1\times {\mathrm{18691}}^1$

素因数の和:20494

約数の個数: 80

約数和(自身を含む): 2703546878592

約数和(自身を除く): 1414838913424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1571, 1688, 2743, 3142, 3376, 5486, 6284, 10972, 12568, 18691, 20423, 21944, 25136, 37382, 40846, 43888, 74764, 81692, 149528, 163384, 242983, 299056, 326768, 331481, 485966, 662962, 971932, 1325924, 1943864, 2651848, 3887728, 3943801, 4309253, 5303696, 7887602, 8618506, 15775204, 17237012, 29363561, 31550408, 34474024, 51269413, 58727122, 63100816, 68948048, 102538826, 117454244, 205077652, 234908488, 381726293, 410155304, 469816976, 763452586, 820310608, 1526905172, 3053810344, 6107620688, 6195711371, 12391422742, 24782845484, 49565690968, 80544247823, 99131381936, 161088495646, 322176991292, 644353982584, 1288707965168]

約数ペア:

[(1, 1288707965168), (2, 644353982584), (4, 322176991292), (8, 161088495646), (13, 99131381936), (16, 80544247823), (26, 49565690968), (52, 24782845484), (104, 12391422742), (208, 6195711371), (211, 6107620688), (422, 3053810344), (844, 1526905172), (1571, 820310608), (1688, 763452586), (2743, 469816976), (3142, 410155304), (3376, 381726293), (5486, 234908488), (6284, 205077652), (10972, 117454244), (12568, 102538826), (18691, 68948048), (20423, 63100816), (21944, 58727122), (25136, 51269413), (37382, 34474024), (40846, 31550408), (43888, 29363561), (74764, 17237012), (81692, 15775204), (149528, 8618506), (163384, 7887602), (242983, 5303696), (299056, 4309253), (326768, 3943801), (331481, 3887728), (485966, 2651848), (662962, 1943864), (971932, 1325924)]