16780218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 41970432

約数和(自身を除く): 25190214

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 421, 438, 511, 546, 842, 949, 1022, 1263, 1533, 1898, 2526, 2847, 2947, 3066, 5473, 5694, 5894, 6643, 8841, 10946, 13286, 16419, 17682, 19929, 30733, 32838, 38311, 39858, 61466, 76622, 92199, 114933, 184398, 215131, 229866, 399529, 430262, 645393, 799058, 1198587, 1290786, 2397174, 2796703, 5593406, 8390109, 16780218]

約数ペア:

[(1, 16780218), (2, 8390109), (3, 5593406), (6, 2796703), (7, 2397174), (13, 1290786), (14, 1198587), (21, 799058), (26, 645393), (39, 430262), (42, 399529), (73, 229866), (78, 215131), (91, 184398), (146, 114933), (182, 92199), (219, 76622), (273, 61466), (421, 39858), (438, 38311), (511, 32838), (546, 30733), (842, 19929), (949, 17682), (1022, 16419), (1263, 13286), (1533, 10946), (1898, 8841), (2526, 6643), (2847, 5894), (2947, 5694), (3066, 5473)]