131446216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 279624960

約数和(自身を除く): 148178744

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 61, 88, 94, 122, 188, 244, 376, 488, 517, 521, 671, 1034, 1042, 1342, 2068, 2084, 2684, 2867, 4136, 4168, 5368, 5731, 5734, 11462, 11468, 22924, 22936, 24487, 31537, 31781, 45848, 48974, 63074, 63562, 97948, 126148, 127124, 195896, 252296, 254248, 269357, 349591, 538714, 699182, 1077428, 1398364, 1493707, 2154856, 2796728, 2987414, 5974828, 11949656, 16430777, 32861554, 65723108, 131446216]

約数ペア:

[(1, 131446216), (2, 65723108), (4, 32861554), (8, 16430777), (11, 11949656), (22, 5974828), (44, 2987414), (47, 2796728), (61, 2154856), (88, 1493707), (94, 1398364), (122, 1077428), (188, 699182), (244, 538714), (376, 349591), (488, 269357), (517, 254248), (521, 252296), (671, 195896), (1034, 127124), (1042, 126148), (1342, 97948), (2068, 63562), (2084, 63074), (2684, 48974), (2867, 45848), (4136, 31781), (4168, 31537), (5368, 24487), (5731, 22936), (5734, 22924), (11462, 11468)]