28374588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 79322880

約数和(自身を除く): 50948292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 907, 948, 1422, 1738, 1814, 2607, 2721, 2844, 3476, 3628, 5214, 5442, 7821, 8163, 9977, 10428, 10884, 15642, 16326, 19954, 29931, 31284, 32652, 39908, 59862, 71653, 89793, 119724, 143306, 179586, 214959, 286612, 359172, 429918, 644877, 788183, 859836, 1289754, 1576366, 2364549, 2579508, 3152732, 4729098, 7093647, 9458196, 14187294, 28374588]

約数ペア:

[(1, 28374588), (2, 14187294), (3, 9458196), (4, 7093647), (6, 4729098), (9, 3152732), (11, 2579508), (12, 2364549), (18, 1576366), (22, 1289754), (33, 859836), (36, 788183), (44, 644877), (66, 429918), (79, 359172), (99, 286612), (132, 214959), (158, 179586), (198, 143306), (237, 119724), (316, 89793), (396, 71653), (474, 59862), (711, 39908), (869, 32652), (907, 31284), (948, 29931), (1422, 19954), (1738, 16326), (1814, 15642), (2607, 10884), (2721, 10428), (2844, 9977), (3476, 8163), (3628, 7821), (5214, 5442)]