40391388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 111646080

約数和(自身を除く): 71254692

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1116, 1581, 2108, 2129, 3162, 4258, 4743, 6324, 6387, 8516, 9486, 12774, 18972, 19161, 25548, 36193, 38322, 65999, 72386, 76644, 108579, 131998, 144772, 197997, 217158, 263996, 325737, 395994, 434316, 593991, 651474, 791988, 1121983, 1187982, 1302948, 2243966, 2375964, 3365949, 4487932, 6731898, 10097847, 13463796, 20195694, 40391388]

約数ペア:

[(1, 40391388), (2, 20195694), (3, 13463796), (4, 10097847), (6, 6731898), (9, 4487932), (12, 3365949), (17, 2375964), (18, 2243966), (31, 1302948), (34, 1187982), (36, 1121983), (51, 791988), (62, 651474), (68, 593991), (93, 434316), (102, 395994), (124, 325737), (153, 263996), (186, 217158), (204, 197997), (279, 144772), (306, 131998), (372, 108579), (527, 76644), (558, 72386), (612, 65999), (1054, 38322), (1116, 36193), (1581, 25548), (2108, 19161), (2129, 18972), (3162, 12774), (4258, 9486), (4743, 8516), (6324, 6387)]