31124992

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 36049280

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 53, 62, 64, 74, 106, 124, 128, 148, 212, 248, 256, 296, 424, 496, 512, 592, 848, 992, 1147, 1184, 1643, 1696, 1961, 1984, 2294, 2368, 3286, 3392, 3922, 3968, 4588, 4736, 6572, 6784, 7844, 7936, 9176, 9472, 13144, 13568, 15688, 15872, 18352, 18944, 26288, 27136, 31376, 36704, 52576, 60791, 62752, 73408, 105152, 121582, 125504, 146816, 210304, 243164, 251008, 293632, 420608, 486328, 502016, 587264, 841216, 972656, 1004032, 1945312, 3890624, 7781248, 15562496, 31124992]

約数ペア:

[(1, 31124992), (2, 15562496), (4, 7781248), (8, 3890624), (16, 1945312), (31, 1004032), (32, 972656), (37, 841216), (53, 587264), (62, 502016), (64, 486328), (74, 420608), (106, 293632), (124, 251008), (128, 243164), (148, 210304), (212, 146816), (248, 125504), (256, 121582), (296, 105152), (424, 73408), (496, 62752), (512, 60791), (592, 52576), (848, 36704), (992, 31376), (1147, 27136), (1184, 26288), (1643, 18944), (1696, 18352), (1961, 15872), (1984, 15688), (2294, 13568), (2368, 13144), (3286, 9472), (3392, 9176), (3922, 7936), (3968, 7844), (4588, 6784), (4736, 6572)]