258286788

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1177

約数の個数: 72

約数和(自身を含む): 674448320

約数和(自身を除く): 416161532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 211, 222, 333, 422, 444, 633, 666, 844, 919, 1266, 1332, 1838, 1899, 2532, 2757, 3676, 3798, 5514, 7596, 7807, 8271, 11028, 15614, 16542, 23421, 31228, 33084, 34003, 46842, 68006, 70263, 93684, 102009, 136012, 140526, 193909, 204018, 281052, 306027, 387818, 408036, 581727, 612054, 775636, 1163454, 1224108, 1745181, 2326908, 3490362, 6980724, 7174633, 14349266, 21523899, 28698532, 43047798, 64571697, 86095596, 129143394, 258286788]

約数ペア:

[(1, 258286788), (2, 129143394), (3, 86095596), (4, 64571697), (6, 43047798), (9, 28698532), (12, 21523899), (18, 14349266), (36, 7174633), (37, 6980724), (74, 3490362), (111, 2326908), (148, 1745181), (211, 1224108), (222, 1163454), (333, 775636), (422, 612054), (444, 581727), (633, 408036), (666, 387818), (844, 306027), (919, 281052), (1266, 204018), (1332, 193909), (1838, 140526), (1899, 136012), (2532, 102009), (2757, 93684), (3676, 70263), (3798, 68006), (5514, 46842), (7596, 34003), (7807, 33084), (8271, 31228), (11028, 23421), (15614, 16542)]