28879474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 48121920

約数和(自身を除く): 19242446

約数列:

[1, 2, 13, 26, 61, 122, 131, 139, 262, 278, 793, 1586, 1703, 1807, 3406, 3614, 7991, 8479, 15982, 16958, 18209, 36418, 103883, 110227, 207766, 220454, 236717, 473434, 1110749, 2221498, 14439737, 28879474]

約数ペア:

[(1, 28879474), (2, 14439737), (13, 2221498), (26, 1110749), (61, 473434), (122, 236717), (131, 220454), (139, 207766), (262, 110227), (278, 103883), (793, 36418), (1586, 18209), (1703, 16958), (1807, 15982), (3406, 8479), (3614, 7991)]