28708552

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 55409400

約数和(自身を除く): 26700848

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 488, 661, 712, 1322, 2644, 5288, 5429, 10858, 21716, 40321, 43432, 58829, 80642, 117658, 161284, 235316, 322568, 470632, 3588569, 7177138, 14354276, 28708552]

約数ペア:

[(1, 28708552), (2, 14354276), (4, 7177138), (8, 3588569), (61, 470632), (89, 322568), (122, 235316), (178, 161284), (244, 117658), (356, 80642), (488, 58829), (661, 43432), (712, 40321), (1322, 21716), (2644, 10858), (5288, 5429)]