215513116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 272197604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 71, 91, 124, 142, 182, 217, 269, 284, 364, 403, 434, 497, 538, 806, 868, 923, 994, 1076, 1612, 1846, 1883, 1988, 2201, 2821, 3497, 3692, 3766, 4402, 5642, 6461, 6994, 7532, 8339, 8804, 11284, 12922, 13988, 15407, 16678, 19099, 24479, 25844, 28613, 30814, 33356, 38198, 48958, 57226, 58373, 61628, 76396, 97916, 108407, 114452, 116746, 133693, 200291, 216814, 233492, 248287, 267386, 400582, 433628, 496574, 534772, 592069, 758849, 801164, 993148, 1184138, 1517698, 1738009, 2368276, 3035396, 3476018, 4144483, 6952036, 7696897, 8288966, 15393794, 16577932, 30787588, 53878279, 107756558, 215513116]

約数ペア:

[(1, 215513116), (2, 107756558), (4, 53878279), (7, 30787588), (13, 16577932), (14, 15393794), (26, 8288966), (28, 7696897), (31, 6952036), (52, 4144483), (62, 3476018), (71, 3035396), (91, 2368276), (124, 1738009), (142, 1517698), (182, 1184138), (217, 993148), (269, 801164), (284, 758849), (364, 592069), (403, 534772), (434, 496574), (497, 433628), (538, 400582), (806, 267386), (868, 248287), (923, 233492), (994, 216814), (1076, 200291), (1612, 133693), (1846, 116746), (1883, 114452), (1988, 108407), (2201, 97916), (2821, 76396), (3497, 61628), (3692, 58373), (3766, 57226), (4402, 48958), (5642, 38198), (6461, 33356), (6994, 30814), (7532, 28613), (8339, 25844), (8804, 24479), (11284, 19099), (12922, 16678), (13988, 15407)]