128957274

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 314181504

約数和(自身を除く): 185224230

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 73, 102, 138, 146, 153, 207, 219, 251, 306, 391, 414, 438, 502, 657, 753, 782, 1173, 1241, 1314, 1506, 1679, 2259, 2346, 2482, 3358, 3519, 3723, 4267, 4518, 5037, 5773, 7038, 7446, 8534, 10074, 11169, 11546, 12801, 15111, 17319, 18323, 22338, 25602, 28543, 30222, 34638, 36646, 38403, 51957, 54969, 57086, 76806, 85629, 98141, 103914, 109938, 164907, 171258, 196282, 256887, 294423, 311491, 329814, 421429, 513774, 588846, 622982, 842858, 883269, 934473, 1264287, 1766538, 1868946, 2528574, 2803419, 3792861, 5606838, 7164293, 7585722, 14328586, 21492879, 42985758, 64478637, 128957274]

約数ペア:

[(1, 128957274), (2, 64478637), (3, 42985758), (6, 21492879), (9, 14328586), (17, 7585722), (18, 7164293), (23, 5606838), (34, 3792861), (46, 2803419), (51, 2528574), (69, 1868946), (73, 1766538), (102, 1264287), (138, 934473), (146, 883269), (153, 842858), (207, 622982), (219, 588846), (251, 513774), (306, 421429), (391, 329814), (414, 311491), (438, 294423), (502, 256887), (657, 196282), (753, 171258), (782, 164907), (1173, 109938), (1241, 103914), (1314, 98141), (1506, 85629), (1679, 76806), (2259, 57086), (2346, 54969), (2482, 51957), (3358, 38403), (3519, 36646), (3723, 34638), (4267, 30222), (4518, 28543), (5037, 25602), (5773, 22338), (7038, 18323), (7446, 17319), (8534, 15111), (10074, 12801), (11169, 11546)]