28269036

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 77320880

約数和(自身を除く): 49051844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1117, 1332, 1406, 2109, 2234, 2812, 3351, 4218, 4468, 6327, 6702, 8436, 10053, 12654, 13404, 20106, 21223, 25308, 40212, 41329, 42446, 63669, 82658, 84892, 123987, 127338, 165316, 191007, 247974, 254676, 371961, 382014, 495948, 743922, 764028, 785251, 1487844, 1570502, 2355753, 3141004, 4711506, 7067259, 9423012, 14134518, 28269036]

約数ペア:

[(1, 28269036), (2, 14134518), (3, 9423012), (4, 7067259), (6, 4711506), (9, 3141004), (12, 2355753), (18, 1570502), (19, 1487844), (36, 785251), (37, 764028), (38, 743922), (57, 495948), (74, 382014), (76, 371961), (111, 254676), (114, 247974), (148, 191007), (171, 165316), (222, 127338), (228, 123987), (333, 84892), (342, 82658), (444, 63669), (666, 42446), (684, 41329), (703, 40212), (1117, 25308), (1332, 21223), (1406, 20106), (2109, 13404), (2234, 12654), (2812, 10053), (3351, 8436), (4218, 6702), (4468, 6327)]