178528256

素因数分解:

$2^{13}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 112

約数和(自身を含む): 398434560

約数和(自身を除く): 219906304

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 37, 38, 62, 64, 74, 76, 124, 128, 148, 152, 248, 256, 296, 304, 496, 512, 589, 592, 608, 703, 992, 1024, 1147, 1178, 1184, 1216, 1406, 1984, 2048, 2294, 2356, 2368, 2432, 2812, 3968, 4096, 4588, 4712, 4736, 4864, 5624, 7936, 8192, 9176, 9424, 9472, 9728, 11248, 15872, 18352, 18848, 18944, 19456, 21793, 22496, 31744, 36704, 37696, 37888, 38912, 43586, 44992, 63488, 73408, 75392, 75776, 77824, 87172, 89984, 126976, 146816, 150784, 151552, 155648, 174344, 179968, 253952, 293632, 301568, 303104, 348688, 359936, 587264, 603136, 697376, 719872, 1174528, 1206272, 1394752, 1439744, 2349056, 2412544, 2789504, 2879488, 4698112, 4825088, 5579008, 5758976, 9396224, 11158016, 22316032, 44632064, 89264128, 178528256]

約数ペア:

[(1, 178528256), (2, 89264128), (4, 44632064), (8, 22316032), (16, 11158016), (19, 9396224), (31, 5758976), (32, 5579008), (37, 4825088), (38, 4698112), (62, 2879488), (64, 2789504), (74, 2412544), (76, 2349056), (124, 1439744), (128, 1394752), (148, 1206272), (152, 1174528), (248, 719872), (256, 697376), (296, 603136), (304, 587264), (496, 359936), (512, 348688), (589, 303104), (592, 301568), (608, 293632), (703, 253952), (992, 179968), (1024, 174344), (1147, 155648), (1178, 151552), (1184, 150784), (1216, 146816), (1406, 126976), (1984, 89984), (2048, 87172), (2294, 77824), (2356, 75776), (2368, 75392), (2432, 73408), (2812, 63488), (3968, 44992), (4096, 43586), (4588, 38912), (4712, 37888), (4736, 37696), (4864, 36704), (5624, 31744), (7936, 22496), (8192, 21793), (9176, 19456), (9424, 18944), (9472, 18848), (9728, 18352), (11248, 15872)]