661572

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 1886976

約数和(自身を除く): 1225404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 47, 51, 68, 69, 92, 94, 102, 138, 141, 153, 188, 204, 207, 276, 282, 306, 391, 414, 423, 564, 612, 782, 799, 828, 846, 1081, 1173, 1564, 1598, 1692, 2162, 2346, 2397, 3196, 3243, 3519, 4324, 4692, 4794, 6486, 7038, 7191, 9588, 9729, 12972, 14076, 14382, 18377, 19458, 28764, 36754, 38916, 55131, 73508, 110262, 165393, 220524, 330786, 661572]

約数ペア:

[(1, 661572), (2, 330786), (3, 220524), (4, 165393), (6, 110262), (9, 73508), (12, 55131), (17, 38916), (18, 36754), (23, 28764), (34, 19458), (36, 18377), (46, 14382), (47, 14076), (51, 12972), (68, 9729), (69, 9588), (92, 7191), (94, 7038), (102, 6486), (138, 4794), (141, 4692), (153, 4324), (188, 3519), (204, 3243), (207, 3196), (276, 2397), (282, 2346), (306, 2162), (391, 1692), (414, 1598), (423, 1564), (564, 1173), (612, 1081), (782, 846), (799, 828)]