51781932

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 139596912

約数和(自身を除く): 87814980

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 211, 306, 401, 422, 612, 633, 802, 844, 1203, 1266, 1604, 1899, 2406, 2532, 3587, 3609, 3798, 4812, 6817, 7174, 7218, 7596, 10761, 13634, 14348, 14436, 20451, 21522, 27268, 32283, 40902, 43044, 61353, 64566, 81804, 84611, 122706, 129132, 169222, 245412, 253833, 338444, 507666, 761499, 1015332, 1438387, 1522998, 2876774, 3045996, 4315161, 5753548, 8630322, 12945483, 17260644, 25890966, 51781932]

約数ペア:

[(1, 51781932), (2, 25890966), (3, 17260644), (4, 12945483), (6, 8630322), (9, 5753548), (12, 4315161), (17, 3045996), (18, 2876774), (34, 1522998), (36, 1438387), (51, 1015332), (68, 761499), (102, 507666), (153, 338444), (204, 253833), (211, 245412), (306, 169222), (401, 129132), (422, 122706), (612, 84611), (633, 81804), (802, 64566), (844, 61353), (1203, 43044), (1266, 40902), (1604, 32283), (1899, 27268), (2406, 21522), (2532, 20451), (3587, 14436), (3609, 14348), (3798, 13634), (4812, 10761), (6817, 7596), (7174, 7218)]