81987472736

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{38561}}^1$

素因数の和:38872

約数の個数: 96

約数和(自身を含む): 183663093600

約数和(自身を除く): 101675620864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 269, 304, 416, 494, 538, 608, 988, 1076, 1976, 2152, 3497, 3952, 4304, 5111, 6994, 7904, 8608, 10222, 13988, 20444, 27976, 38561, 40888, 55952, 66443, 77122, 81776, 111904, 132886, 154244, 163552, 265772, 308488, 501293, 531544, 616976, 732659, 1002586, 1063088, 1233952, 1465318, 2005172, 2126176, 2930636, 4010344, 5861272, 8020688, 9524567, 10372909, 11722544, 16041376, 19049134, 20745818, 23445088, 38098268, 41491636, 76196536, 82983272, 134847817, 152393072, 165966544, 197085271, 269695634, 304786144, 331933088, 394170542, 539391268, 788341084, 1078782536, 1576682168, 2157565072, 2562108523, 3153364336, 4315130144, 5124217046, 6306728672, 10248434092, 20496868184, 40993736368, 81987472736]

約数ペア:

[(1, 81987472736), (2, 40993736368), (4, 20496868184), (8, 10248434092), (13, 6306728672), (16, 5124217046), (19, 4315130144), (26, 3153364336), (32, 2562108523), (38, 2157565072), (52, 1576682168), (76, 1078782536), (104, 788341084), (152, 539391268), (208, 394170542), (247, 331933088), (269, 304786144), (304, 269695634), (416, 197085271), (494, 165966544), (538, 152393072), (608, 134847817), (988, 82983272), (1076, 76196536), (1976, 41491636), (2152, 38098268), (3497, 23445088), (3952, 20745818), (4304, 19049134), (5111, 16041376), (6994, 11722544), (7904, 10372909), (8608, 9524567), (10222, 8020688), (13988, 5861272), (20444, 4010344), (27976, 2930636), (38561, 2126176), (40888, 2005172), (55952, 1465318), (66443, 1233952), (77122, 1063088), (81776, 1002586), (111904, 732659), (132886, 616976), (154244, 531544), (163552, 501293), (265772, 308488)]