72043972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 178375680

約数和(自身を除く): 106331708

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 308, 364, 418, 494, 532, 572, 836, 947, 988, 1001, 1463, 1729, 1894, 2002, 2717, 2926, 3458, 3788, 4004, 5434, 5852, 6629, 6916, 10417, 10868, 12311, 13258, 17993, 19019, 20834, 24622, 26516, 35986, 38038, 41668, 49244, 71972, 72919, 76076, 86177, 125951, 135421, 145838, 172354, 197923, 233909, 251902, 270842, 291676, 344708, 395846, 467818, 503804, 541684, 791692, 935636, 947947, 1385461, 1637363, 1895894, 2572999, 2770922, 3274726, 3791788, 5145998, 5541844, 6549452, 10291996, 18010993, 36021986, 72043972]

約数ペア:

[(1, 72043972), (2, 36021986), (4, 18010993), (7, 10291996), (11, 6549452), (13, 5541844), (14, 5145998), (19, 3791788), (22, 3274726), (26, 2770922), (28, 2572999), (38, 1895894), (44, 1637363), (52, 1385461), (76, 947947), (77, 935636), (91, 791692), (133, 541684), (143, 503804), (154, 467818), (182, 395846), (209, 344708), (247, 291676), (266, 270842), (286, 251902), (308, 233909), (364, 197923), (418, 172354), (494, 145838), (532, 135421), (572, 125951), (836, 86177), (947, 76076), (988, 72919), (1001, 71972), (1463, 49244), (1729, 41668), (1894, 38038), (2002, 35986), (2717, 26516), (2926, 24622), (3458, 20834), (3788, 19019), (4004, 17993), (5434, 13258), (5852, 12311), (6629, 10868), (6916, 10417)]