217066668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 644847840

約数和(自身を除く): 427781172

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 73, 78, 84, 91, 98, 146, 147, 156, 182, 196, 219, 273, 292, 294, 364, 389, 438, 511, 546, 588, 637, 778, 876, 949, 1022, 1092, 1167, 1274, 1533, 1556, 1898, 1911, 2044, 2334, 2548, 2723, 2847, 3066, 3577, 3796, 3822, 4668, 5057, 5446, 5694, 6132, 6643, 7154, 7644, 8169, 10114, 10731, 10892, 11388, 13286, 14308, 15171, 16338, 19061, 19929, 20228, 21462, 26572, 28397, 30342, 32676, 35399, 38122, 39858, 42924, 46501, 56794, 57183, 60684, 70798, 76244, 79716, 85191, 93002, 106197, 113588, 114366, 139503, 141596, 170382, 186004, 198779, 212394, 228732, 247793, 279006, 340764, 369161, 397558, 424788, 495586, 558012, 596337, 738322, 743379, 795116, 991172, 1107483, 1192674, 1391453, 1476644, 1486758, 2214966, 2385348, 2584127, 2782906, 2973516, 4174359, 4429932, 5168254, 5565812, 7752381, 8348718, 10336508, 15504762, 16697436, 18088889, 31009524, 36177778, 54266667, 72355556, 108533334, 217066668]

約数ペア:

[(1, 217066668), (2, 108533334), (3, 72355556), (4, 54266667), (6, 36177778), (7, 31009524), (12, 18088889), (13, 16697436), (14, 15504762), (21, 10336508), (26, 8348718), (28, 7752381), (39, 5565812), (42, 5168254), (49, 4429932), (52, 4174359), (73, 2973516), (78, 2782906), (84, 2584127), (91, 2385348), (98, 2214966), (146, 1486758), (147, 1476644), (156, 1391453), (182, 1192674), (196, 1107483), (219, 991172), (273, 795116), (292, 743379), (294, 738322), (364, 596337), (389, 558012), (438, 495586), (511, 424788), (546, 397558), (588, 369161), (637, 340764), (778, 279006), (876, 247793), (949, 228732), (1022, 212394), (1092, 198779), (1167, 186004), (1274, 170382), (1533, 141596), (1556, 139503), (1898, 114366), (1911, 113588), (2044, 106197), (2334, 93002), (2548, 85191), (2723, 79716), (2847, 76244), (3066, 70798), (3577, 60684), (3796, 57183), (3822, 56794), (4668, 46501), (5057, 42924), (5446, 39858), (5694, 38122), (6132, 35399), (6643, 32676), (7154, 30342), (7644, 28397), (8169, 26572), (10114, 21462), (10731, 20228), (10892, 19929), (11388, 19061), (13286, 16338), (14308, 15171)]