128350012

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 271837104

約数和(自身を除く): 143487092

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 97, 98, 157, 172, 194, 196, 301, 314, 388, 602, 628, 679, 1099, 1204, 1358, 2107, 2198, 2716, 4171, 4214, 4396, 4753, 6751, 7693, 8342, 8428, 9506, 13502, 15229, 15386, 16684, 19012, 27004, 29197, 30458, 30772, 47257, 58394, 60916, 94514, 106603, 116788, 189028, 204379, 213206, 330799, 408758, 426412, 654847, 661598, 746221, 817516, 1309694, 1323196, 1492442, 2619388, 2984884, 4583929, 9167858, 18335716, 32087503, 64175006, 128350012]

約数ペア:

[(1, 128350012), (2, 64175006), (4, 32087503), (7, 18335716), (14, 9167858), (28, 4583929), (43, 2984884), (49, 2619388), (86, 1492442), (97, 1323196), (98, 1309694), (157, 817516), (172, 746221), (194, 661598), (196, 654847), (301, 426412), (314, 408758), (388, 330799), (602, 213206), (628, 204379), (679, 189028), (1099, 116788), (1204, 106603), (1358, 94514), (2107, 60916), (2198, 58394), (2716, 47257), (4171, 30772), (4214, 30458), (4396, 29197), (4753, 27004), (6751, 19012), (7693, 16684), (8342, 15386), (8428, 15229), (9506, 13502)]