213691972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4648

約数の個数: 48

約数和(自身を含む): 434557872

約数和(自身を除く): 220865900

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 212, 221, 442, 689, 884, 901, 1378, 1802, 2756, 3604, 4561, 9122, 11713, 18244, 23426, 46852, 59293, 77537, 118586, 155074, 237172, 241733, 310148, 483466, 966932, 1007981, 2015962, 3142529, 4031924, 4109461, 6285058, 8218922, 12570116, 16437844, 53422993, 106845986, 213691972]

約数ペア:

[(1, 213691972), (2, 106845986), (4, 53422993), (13, 16437844), (17, 12570116), (26, 8218922), (34, 6285058), (52, 4109461), (53, 4031924), (68, 3142529), (106, 2015962), (212, 1007981), (221, 966932), (442, 483466), (689, 310148), (884, 241733), (901, 237172), (1378, 155074), (1802, 118586), (2756, 77537), (3604, 59293), (4561, 46852), (9122, 23426), (11713, 18244)]