51311572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 100979200

約数和(自身を除く): 49667628

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 139, 229, 278, 403, 458, 556, 806, 916, 1612, 1807, 2977, 3614, 4309, 5954, 7099, 7228, 8618, 11908, 14198, 17236, 28396, 31831, 56017, 63662, 92287, 112034, 127324, 184574, 224068, 369148, 413803, 827606, 986761, 1655212, 1973522, 3947044, 12827893, 25655786, 51311572]

約数ペア:

[(1, 51311572), (2, 25655786), (4, 12827893), (13, 3947044), (26, 1973522), (31, 1655212), (52, 986761), (62, 827606), (124, 413803), (139, 369148), (229, 224068), (278, 184574), (403, 127324), (458, 112034), (556, 92287), (806, 63662), (916, 56017), (1612, 31831), (1807, 28396), (2977, 17236), (3614, 14198), (4309, 11908), (5954, 8618), (7099, 7228)]