219139648

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 112

約数和(自身を含む): 540739584

約数和(自身を除く): 321599936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 191, 197, 208, 224, 364, 382, 394, 416, 448, 728, 764, 788, 832, 1337, 1379, 1456, 1528, 1576, 2483, 2561, 2674, 2758, 2912, 3056, 3152, 4966, 5122, 5348, 5516, 5824, 6112, 6304, 9932, 10244, 10696, 11032, 12224, 12608, 17381, 17927, 19864, 20488, 21392, 22064, 34762, 35854, 37627, 39728, 40976, 42784, 44128, 69524, 71708, 75254, 79456, 81952, 85568, 88256, 139048, 143416, 150508, 158912, 163904, 263389, 278096, 286832, 301016, 489151, 526778, 556192, 573664, 602032, 978302, 1053556, 1112384, 1147328, 1204064, 1956604, 2107112, 2408128, 3424057, 3913208, 4214224, 6848114, 7826416, 8428448, 13696228, 15652832, 16856896, 27392456, 31305664, 54784912, 109569824, 219139648]

約数ペア:

[(1, 219139648), (2, 109569824), (4, 54784912), (7, 31305664), (8, 27392456), (13, 16856896), (14, 15652832), (16, 13696228), (26, 8428448), (28, 7826416), (32, 6848114), (52, 4214224), (56, 3913208), (64, 3424057), (91, 2408128), (104, 2107112), (112, 1956604), (182, 1204064), (191, 1147328), (197, 1112384), (208, 1053556), (224, 978302), (364, 602032), (382, 573664), (394, 556192), (416, 526778), (448, 489151), (728, 301016), (764, 286832), (788, 278096), (832, 263389), (1337, 163904), (1379, 158912), (1456, 150508), (1528, 143416), (1576, 139048), (2483, 88256), (2561, 85568), (2674, 81952), (2758, 79456), (2912, 75254), (3056, 71708), (3152, 69524), (4966, 44128), (5122, 42784), (5348, 40976), (5516, 39728), (5824, 37627), (6112, 35854), (6304, 34762), (9932, 22064), (10244, 21392), (10696, 20488), (11032, 19864), (12224, 17927), (12608, 17381)]