681411276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{208001}}^1$

素因数の和:208031

約数の個数: 72

約数和(自身を含む): 2119956384

約数和(自身を除く): 1438545108

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, 208001, 416002, 624003, 832004, 1248006, 1456007, 1872009, 2496012, 2704013, 2912014, 3744018, 4368021, 5408026, 5824028, 7488036, 8112039, 8736042, 10816052, 13104063, 16224078, 17472084, 18928091, 24336117, 26208126, 32448156, 37856182, 48672234, 52416252, 56784273, 75712364, 97344468, 113568546, 170352819, 227137092, 340705638, 681411276]

約数ペア:

[(1, 681411276), (2, 340705638), (3, 227137092), (4, 170352819), (6, 113568546), (7, 97344468), (9, 75712364), (12, 56784273), (13, 52416252), (14, 48672234), (18, 37856182), (21, 32448156), (26, 26208126), (28, 24336117), (36, 18928091), (39, 17472084), (42, 16224078), (52, 13104063), (63, 10816052), (78, 8736042), (84, 8112039), (91, 7488036), (117, 5824028), (126, 5408026), (156, 4368021), (182, 3744018), (234, 2912014), (252, 2704013), (273, 2496012), (364, 1872009), (468, 1456007), (546, 1248006), (819, 832004), (1092, 624003), (1638, 416002), (3276, 208001)]