421861908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{19739}}^1$

素因数の和:19896

約数の個数: 48

約数和(自身を含む): 1067855040

約数和(自身を除く): 645993132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1644, 1781, 3562, 5343, 7124, 10686, 19739, 21372, 39478, 59217, 78956, 118434, 236868, 256607, 513214, 769821, 1026428, 1539642, 2704243, 3079284, 5408486, 8112729, 10816972, 16225458, 32450916, 35155159, 70310318, 105465477, 140620636, 210930954, 421861908]

約数ペア:

[(1, 421861908), (2, 210930954), (3, 140620636), (4, 105465477), (6, 70310318), (12, 35155159), (13, 32450916), (26, 16225458), (39, 10816972), (52, 8112729), (78, 5408486), (137, 3079284), (156, 2704243), (274, 1539642), (411, 1026428), (548, 769821), (822, 513214), (1644, 256607), (1781, 236868), (3562, 118434), (5343, 78956), (7124, 59217), (10686, 39478), (19739, 21372)]