16947996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 43840944

約数和(自身を除く): 26892948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 137, 156, 169, 183, 244, 274, 338, 366, 411, 507, 548, 676, 732, 793, 822, 1014, 1586, 1644, 1781, 2028, 2379, 3172, 3562, 4758, 5343, 7124, 8357, 9516, 10309, 10686, 16714, 20618, 21372, 23153, 25071, 30927, 33428, 41236, 46306, 50142, 61854, 69459, 92612, 100284, 108641, 123708, 138918, 217282, 277836, 325923, 434564, 651846, 1303692, 1412333, 2824666, 4236999, 5649332, 8473998, 16947996]

約数ペア:

[(1, 16947996), (2, 8473998), (3, 5649332), (4, 4236999), (6, 2824666), (12, 1412333), (13, 1303692), (26, 651846), (39, 434564), (52, 325923), (61, 277836), (78, 217282), (122, 138918), (137, 123708), (156, 108641), (169, 100284), (183, 92612), (244, 69459), (274, 61854), (338, 50142), (366, 46306), (411, 41236), (507, 33428), (548, 30927), (676, 25071), (732, 23153), (793, 21372), (822, 20618), (1014, 16714), (1586, 10686), (1644, 10309), (1781, 9516), (2028, 8357), (2379, 7124), (3172, 5343), (3562, 4758)]