16530221491

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 20142136512

約数和(自身を除く): 3611915021

約数列:

[1, 7, 37, 49, 71, 259, 281, 457, 497, 1813, 1967, 2627, 3199, 3479, 10397, 13769, 16909, 18389, 19951, 22393, 32447, 72779, 118363, 128417, 128723, 139657, 227129, 509453, 738187, 828541, 898919, 977599, 1200539, 1589903, 4751429, 5167309, 6292433, 8403773, 9117607, 33260003, 36171163, 58826411, 63823249, 232820021, 337351459, 446762743, 2361460213, 16530221491]

約数ペア:

[(1, 16530221491), (7, 2361460213), (37, 446762743), (49, 337351459), (71, 232820021), (259, 63823249), (281, 58826411), (457, 36171163), (497, 33260003), (1813, 9117607), (1967, 8403773), (2627, 6292433), (3199, 5167309), (3479, 4751429), (10397, 1589903), (13769, 1200539), (16909, 977599), (18389, 898919), (19951, 828541), (22393, 738187), (32447, 509453), (72779, 227129), (118363, 139657), (128417, 128723)]