68478228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20933

約数の個数: 72

約数和(自身を含む): 213053568

約数和(自身を除く): 144575340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 20903, 41806, 62709, 83612, 125418, 146321, 188127, 250836, 271739, 292642, 376254, 438963, 543478, 585284, 752508, 815217, 877926, 1086956, 1316889, 1630434, 1755852, 1902173, 2445651, 2633778, 3260868, 3804346, 4891302, 5267556, 5706519, 7608692, 9782604, 11413038, 17119557, 22826076, 34239114, 68478228]

約数ペア:

[(1, 68478228), (2, 34239114), (3, 22826076), (4, 17119557), (6, 11413038), (7, 9782604), (9, 7608692), (12, 5706519), (13, 5267556), (14, 4891302), (18, 3804346), (21, 3260868), (26, 2633778), (28, 2445651), (36, 1902173), (39, 1755852), (42, 1630434), (52, 1316889), (63, 1086956), (78, 877926), (84, 815217), (91, 752508), (117, 585284), (126, 543478), (156, 438963), (182, 376254), (234, 292642), (252, 271739), (273, 250836), (364, 188127), (468, 146321), (546, 125418), (819, 83612), (1092, 62709), (1638, 41806), (3276, 20903)]