420759612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{128437}}^1$

素因数の和:128467

約数の個数: 72

約数和(自身を含む): 1309040096

約数和(自身を除く): 888280484

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, 128437, 256874, 385311, 513748, 770622, 899059, 1155933, 1541244, 1669681, 1798118, 2311866, 2697177, 3339362, 3596236, 4623732, 5009043, 5394354, 6678724, 8091531, 10018086, 10788708, 11687767, 15027129, 16183062, 20036172, 23375534, 30054258, 32366124, 35063301, 46751068, 60108516, 70126602, 105189903, 140253204, 210379806, 420759612]

約数ペア:

[(1, 420759612), (2, 210379806), (3, 140253204), (4, 105189903), (6, 70126602), (7, 60108516), (9, 46751068), (12, 35063301), (13, 32366124), (14, 30054258), (18, 23375534), (21, 20036172), (26, 16183062), (28, 15027129), (36, 11687767), (39, 10788708), (42, 10018086), (52, 8091531), (63, 6678724), (78, 5394354), (84, 5009043), (91, 4623732), (117, 3596236), (126, 3339362), (156, 2697177), (182, 2311866), (234, 1798118), (252, 1669681), (273, 1541244), (364, 1155933), (468, 899059), (546, 770622), (819, 513748), (1092, 385311), (1638, 256874), (3276, 128437)]