15981816

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 25386504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 83, 113, 142, 166, 213, 226, 249, 284, 332, 339, 426, 452, 498, 568, 664, 678, 852, 904, 996, 1356, 1704, 1992, 2712, 5893, 8023, 9379, 11786, 16046, 17679, 18758, 23572, 24069, 28137, 32092, 35358, 37516, 47144, 48138, 56274, 64184, 70716, 75032, 96276, 112548, 141432, 192552, 225096, 665909, 1331818, 1997727, 2663636, 3995454, 5327272, 7990908, 15981816]

約数ペア:

[(1, 15981816), (2, 7990908), (3, 5327272), (4, 3995454), (6, 2663636), (8, 1997727), (12, 1331818), (24, 665909), (71, 225096), (83, 192552), (113, 141432), (142, 112548), (166, 96276), (213, 75032), (226, 70716), (249, 64184), (284, 56274), (332, 48138), (339, 47144), (426, 37516), (452, 35358), (498, 32092), (568, 28137), (664, 24069), (678, 23572), (852, 18758), (904, 17679), (996, 16046), (1356, 11786), (1704, 9379), (1992, 8023), (2712, 5893)]