4901988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 14290752

約数和(自身を除く): 9388764

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 67, 78, 84, 91, 134, 156, 182, 201, 268, 273, 364, 402, 469, 546, 804, 871, 938, 1092, 1407, 1742, 1876, 2613, 2814, 3484, 4489, 5226, 5628, 6097, 8978, 10452, 12194, 13467, 17956, 18291, 24388, 26934, 31423, 36582, 53868, 58357, 62846, 73164, 94269, 116714, 125692, 175071, 188538, 233428, 350142, 377076, 408499, 700284, 816998, 1225497, 1633996, 2450994, 4901988]

約数ペア:

[(1, 4901988), (2, 2450994), (3, 1633996), (4, 1225497), (6, 816998), (7, 700284), (12, 408499), (13, 377076), (14, 350142), (21, 233428), (26, 188538), (28, 175071), (39, 125692), (42, 116714), (52, 94269), (67, 73164), (78, 62846), (84, 58357), (91, 53868), (134, 36582), (156, 31423), (182, 26934), (201, 24388), (268, 18291), (273, 17956), (364, 13467), (402, 12194), (469, 10452), (546, 8978), (804, 6097), (871, 5628), (938, 5226), (1092, 4489), (1407, 3484), (1742, 2814), (1876, 2613)]