28351908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 79879800

約数和(自身を除く): 51527892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2089, 2262, 3393, 4178, 4524, 6267, 6786, 8356, 12534, 13572, 18801, 25068, 27157, 37602, 54314, 60581, 75204, 81471, 108628, 121162, 162942, 181743, 242324, 244413, 325884, 363486, 488826, 545229, 726972, 787553, 977652, 1090458, 1575106, 2180916, 2362659, 3150212, 4725318, 7087977, 9450636, 14175954, 28351908]

約数ペア:

[(1, 28351908), (2, 14175954), (3, 9450636), (4, 7087977), (6, 4725318), (9, 3150212), (12, 2362659), (13, 2180916), (18, 1575106), (26, 1090458), (29, 977652), (36, 787553), (39, 726972), (52, 545229), (58, 488826), (78, 363486), (87, 325884), (116, 244413), (117, 242324), (156, 181743), (174, 162942), (234, 121162), (261, 108628), (348, 81471), (377, 75204), (468, 60581), (522, 54314), (754, 37602), (1044, 27157), (1131, 25068), (1508, 18801), (2089, 13572), (2262, 12534), (3393, 8356), (4178, 6786), (4524, 6267)]