91247212

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 193052160

約数和(自身を除く): 101804948

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 79, 83, 98, 142, 158, 166, 196, 284, 316, 332, 497, 553, 581, 994, 1106, 1162, 1988, 2212, 2324, 3479, 3871, 4067, 5609, 5893, 6557, 6958, 7742, 8134, 11218, 11786, 13114, 13916, 15484, 16268, 22436, 23572, 26228, 39263, 41251, 45899, 78526, 82502, 91798, 157052, 165004, 183596, 274841, 288757, 321293, 465547, 549682, 577514, 642586, 931094, 1099364, 1155028, 1285172, 1862188, 3258829, 6517658, 13035316, 22811803, 45623606, 91247212]

約数ペア:

[(1, 91247212), (2, 45623606), (4, 22811803), (7, 13035316), (14, 6517658), (28, 3258829), (49, 1862188), (71, 1285172), (79, 1155028), (83, 1099364), (98, 931094), (142, 642586), (158, 577514), (166, 549682), (196, 465547), (284, 321293), (316, 288757), (332, 274841), (497, 183596), (553, 165004), (581, 157052), (994, 91798), (1106, 82502), (1162, 78526), (1988, 45899), (2212, 41251), (2324, 39263), (3479, 26228), (3871, 23572), (4067, 22436), (5609, 16268), (5893, 15484), (6557, 13916), (6958, 13114), (7742, 11786), (8134, 11218)]