257946052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 593482176

約数和(自身を除く): 335536124

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 151, 169, 182, 247, 266, 302, 338, 361, 364, 494, 532, 604, 676, 722, 988, 1057, 1183, 1444, 1729, 1963, 2114, 2366, 2527, 2869, 3211, 3458, 3926, 4228, 4693, 4732, 5054, 5738, 6422, 6916, 7852, 9386, 10108, 11476, 12844, 13741, 18772, 20083, 22477, 25519, 27482, 32851, 37297, 40166, 44954, 51038, 54511, 54964, 61009, 65702, 74594, 80332, 89908, 102076, 109022, 122018, 131404, 149188, 178633, 218044, 244036, 261079, 357266, 381577, 427063, 484861, 522158, 708643, 714532, 763154, 854126, 969722, 1044316, 1417286, 1526308, 1708252, 1939444, 2834572, 3394027, 4960501, 6788054, 9212359, 9921002, 13576108, 18424718, 19842004, 36849436, 64486513, 128973026, 257946052]

約数ペア:

[(1, 257946052), (2, 128973026), (4, 64486513), (7, 36849436), (13, 19842004), (14, 18424718), (19, 13576108), (26, 9921002), (28, 9212359), (38, 6788054), (52, 4960501), (76, 3394027), (91, 2834572), (133, 1939444), (151, 1708252), (169, 1526308), (182, 1417286), (247, 1044316), (266, 969722), (302, 854126), (338, 763154), (361, 714532), (364, 708643), (494, 522158), (532, 484861), (604, 427063), (676, 381577), (722, 357266), (988, 261079), (1057, 244036), (1183, 218044), (1444, 178633), (1729, 149188), (1963, 131404), (2114, 122018), (2366, 109022), (2527, 102076), (2869, 89908), (3211, 80332), (3458, 74594), (3926, 65702), (4228, 61009), (4693, 54964), (4732, 54511), (5054, 51038), (5738, 44954), (6422, 40166), (6916, 37297), (7852, 32851), (9386, 27482), (10108, 25519), (11476, 22477), (12844, 20083), (13741, 18772)]