128421524

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 294174720

約数和(自身を除く): 165753196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 59, 74, 77, 118, 148, 154, 191, 236, 259, 308, 382, 407, 413, 518, 649, 764, 814, 826, 1036, 1298, 1337, 1628, 1652, 2101, 2183, 2596, 2674, 2849, 4202, 4366, 4543, 5348, 5698, 7067, 8404, 8732, 9086, 11269, 11396, 14134, 14707, 15281, 18172, 22538, 24013, 28268, 29414, 30562, 45076, 48026, 49469, 58828, 61124, 77737, 78883, 96052, 98938, 123959, 155474, 157766, 168091, 197876, 247918, 310948, 315532, 336182, 416953, 495836, 544159, 672364, 833906, 867713, 1088318, 1667812, 1735426, 2176636, 2918671, 3470852, 4586483, 5837342, 9172966, 11674684, 18345932, 32105381, 64210762, 128421524]

約数ペア:

[(1, 128421524), (2, 64210762), (4, 32105381), (7, 18345932), (11, 11674684), (14, 9172966), (22, 5837342), (28, 4586483), (37, 3470852), (44, 2918671), (59, 2176636), (74, 1735426), (77, 1667812), (118, 1088318), (148, 867713), (154, 833906), (191, 672364), (236, 544159), (259, 495836), (308, 416953), (382, 336182), (407, 315532), (413, 310948), (518, 247918), (649, 197876), (764, 168091), (814, 157766), (826, 155474), (1036, 123959), (1298, 98938), (1337, 96052), (1628, 78883), (1652, 77737), (2101, 61124), (2183, 58828), (2596, 49469), (2674, 48026), (2849, 45076), (4202, 30562), (4366, 29414), (4543, 28268), (5348, 24013), (5698, 22538), (7067, 18172), (8404, 15281), (8732, 14707), (9086, 14134), (11269, 11396)]