28550690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 33380830

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 59, 62, 70, 118, 155, 217, 223, 295, 310, 413, 434, 446, 590, 826, 1085, 1115, 1561, 1829, 2065, 2170, 2230, 3122, 3658, 4130, 6913, 7805, 9145, 12803, 13157, 13826, 15610, 18290, 25606, 26314, 34565, 48391, 64015, 65785, 69130, 92099, 96782, 128030, 131570, 184198, 241955, 407867, 460495, 483910, 815734, 920990, 2039335, 2855069, 4078670, 5710138, 14275345, 28550690]

約数ペア:

[(1, 28550690), (2, 14275345), (5, 5710138), (7, 4078670), (10, 2855069), (14, 2039335), (31, 920990), (35, 815734), (59, 483910), (62, 460495), (70, 407867), (118, 241955), (155, 184198), (217, 131570), (223, 128030), (295, 96782), (310, 92099), (413, 69130), (434, 65785), (446, 64015), (590, 48391), (826, 34565), (1085, 26314), (1115, 25606), (1561, 18290), (1829, 15610), (2065, 13826), (2170, 13157), (2230, 12803), (3122, 9145), (3658, 7805), (4130, 6913)]