221917668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 630330624

約数和(自身を除く): 408412956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 67, 84, 86, 98, 129, 131, 134, 147, 172, 196, 201, 258, 262, 268, 294, 301, 393, 402, 469, 516, 524, 588, 602, 786, 804, 903, 917, 938, 1204, 1407, 1572, 1806, 1834, 1876, 2107, 2751, 2814, 2881, 3283, 3612, 3668, 4214, 5502, 5628, 5633, 5762, 6321, 6419, 6566, 8428, 8643, 8777, 9849, 11004, 11266, 11524, 12642, 12838, 13132, 16899, 17286, 17554, 19257, 19698, 20167, 22532, 25284, 25676, 26331, 33798, 34572, 35108, 38514, 39396, 39431, 40334, 52662, 60501, 61439, 67596, 77028, 78862, 80668, 105324, 118293, 121002, 122878, 141169, 157724, 184317, 236586, 242004, 245756, 276017, 282338, 368634, 377411, 423507, 430073, 473172, 552034, 564676, 737268, 754822, 828051, 847014, 860146, 1104068, 1132233, 1290219, 1509644, 1656102, 1694028, 1720292, 2264466, 2580438, 2641877, 3312204, 4528932, 5160876, 5283754, 7925631, 10567508, 15851262, 18493139, 31702524, 36986278, 55479417, 73972556, 110958834, 221917668]

約数ペア:

[(1, 221917668), (2, 110958834), (3, 73972556), (4, 55479417), (6, 36986278), (7, 31702524), (12, 18493139), (14, 15851262), (21, 10567508), (28, 7925631), (42, 5283754), (43, 5160876), (49, 4528932), (67, 3312204), (84, 2641877), (86, 2580438), (98, 2264466), (129, 1720292), (131, 1694028), (134, 1656102), (147, 1509644), (172, 1290219), (196, 1132233), (201, 1104068), (258, 860146), (262, 847014), (268, 828051), (294, 754822), (301, 737268), (393, 564676), (402, 552034), (469, 473172), (516, 430073), (524, 423507), (588, 377411), (602, 368634), (786, 282338), (804, 276017), (903, 245756), (917, 242004), (938, 236586), (1204, 184317), (1407, 157724), (1572, 141169), (1806, 122878), (1834, 121002), (1876, 118293), (2107, 105324), (2751, 80668), (2814, 78862), (2881, 77028), (3283, 67596), (3612, 61439), (3668, 60501), (4214, 52662), (5502, 40334), (5628, 39431), (5633, 39396), (5762, 38514), (6321, 35108), (6419, 34572), (6566, 33798), (8428, 26331), (8643, 25676), (8777, 25284), (9849, 22532), (11004, 20167), (11266, 19698), (11524, 19257), (12642, 17554), (12838, 17286), (13132, 16899)]