7861854

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 22924944

約数和(自身を除く): 15063090

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 17, 21, 22, 26, 33, 34, 39, 42, 49, 51, 66, 77, 78, 91, 98, 102, 119, 121, 143, 147, 154, 182, 187, 221, 231, 238, 242, 273, 286, 294, 357, 363, 374, 429, 442, 462, 539, 546, 561, 637, 663, 714, 726, 833, 847, 858, 1001, 1078, 1122, 1274, 1309, 1326, 1547, 1573, 1617, 1666, 1694, 1911, 2002, 2057, 2431, 2499, 2541, 2618, 3003, 3094, 3146, 3234, 3822, 3927, 4114, 4641, 4719, 4862, 4998, 5082, 5929, 6006, 6171, 7007, 7293, 7854, 9163, 9282, 9438, 10829, 11011, 11858, 12342, 14014, 14399, 14586, 17017, 17787, 18326, 21021, 21658, 22022, 26741, 27489, 28798, 32487, 33033, 34034, 35574, 42042, 43197, 51051, 53482, 54978, 64974, 66066, 77077, 80223, 86394, 100793, 102102, 119119, 154154, 160446, 187187, 201586, 231231, 238238, 302379, 357357, 374374, 462462, 561561, 604758, 714714, 1123122, 1310309, 2620618, 3930927, 7861854]

約数ペア:

[(1, 7861854), (2, 3930927), (3, 2620618), (6, 1310309), (7, 1123122), (11, 714714), (13, 604758), (14, 561561), (17, 462462), (21, 374374), (22, 357357), (26, 302379), (33, 238238), (34, 231231), (39, 201586), (42, 187187), (49, 160446), (51, 154154), (66, 119119), (77, 102102), (78, 100793), (91, 86394), (98, 80223), (102, 77077), (119, 66066), (121, 64974), (143, 54978), (147, 53482), (154, 51051), (182, 43197), (187, 42042), (221, 35574), (231, 34034), (238, 33033), (242, 32487), (273, 28798), (286, 27489), (294, 26741), (357, 22022), (363, 21658), (374, 21021), (429, 18326), (442, 17787), (462, 17017), (539, 14586), (546, 14399), (561, 14014), (637, 12342), (663, 11858), (714, 11011), (726, 10829), (833, 9438), (847, 9282), (858, 9163), (1001, 7854), (1078, 7293), (1122, 7007), (1274, 6171), (1309, 6006), (1326, 5929), (1547, 5082), (1573, 4998), (1617, 4862), (1666, 4719), (1694, 4641), (1911, 4114), (2002, 3927), (2057, 3822), (2431, 3234), (2499, 3146), (2541, 3094), (2618, 3003)]