7280728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 17156160

約数和(自身を除く): 9875432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 137, 146, 182, 274, 292, 364, 511, 548, 584, 728, 949, 959, 1022, 1096, 1781, 1898, 1918, 2044, 3562, 3796, 3836, 4088, 6643, 7124, 7592, 7672, 10001, 12467, 13286, 14248, 20002, 24934, 26572, 40004, 49868, 53144, 70007, 80008, 99736, 130013, 140014, 260026, 280028, 520052, 560056, 910091, 1040104, 1820182, 3640364, 7280728]

約数ペア:

[(1, 7280728), (2, 3640364), (4, 1820182), (7, 1040104), (8, 910091), (13, 560056), (14, 520052), (26, 280028), (28, 260026), (52, 140014), (56, 130013), (73, 99736), (91, 80008), (104, 70007), (137, 53144), (146, 49868), (182, 40004), (274, 26572), (292, 24934), (364, 20002), (511, 14248), (548, 13286), (584, 12467), (728, 10001), (949, 7672), (959, 7592), (1022, 7124), (1096, 6643), (1781, 4088), (1898, 3836), (1918, 3796), (2044, 3562)]