388181504

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 80

約数和(自身を含む): 823506816

約数和(自身を除く): 435325312

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 256, 296, 496, 512, 592, 661, 992, 1147, 1184, 1322, 1984, 2294, 2368, 2644, 3968, 4588, 4736, 5288, 7936, 9176, 9472, 10576, 15872, 18352, 18944, 20491, 21152, 24457, 36704, 40982, 42304, 48914, 73408, 81964, 84608, 97828, 146816, 163928, 169216, 195656, 293632, 327856, 338432, 391312, 587264, 655712, 758167, 782624, 1311424, 1516334, 1565248, 2622848, 3032668, 3130496, 5245696, 6065336, 6260992, 10491392, 12130672, 12521984, 24261344, 48522688, 97045376, 194090752, 388181504]

約数ペア:

[(1, 388181504), (2, 194090752), (4, 97045376), (8, 48522688), (16, 24261344), (31, 12521984), (32, 12130672), (37, 10491392), (62, 6260992), (64, 6065336), (74, 5245696), (124, 3130496), (128, 3032668), (148, 2622848), (248, 1565248), (256, 1516334), (296, 1311424), (496, 782624), (512, 758167), (592, 655712), (661, 587264), (992, 391312), (1147, 338432), (1184, 327856), (1322, 293632), (1984, 195656), (2294, 169216), (2368, 163928), (2644, 146816), (3968, 97828), (4588, 84608), (4736, 81964), (5288, 73408), (7936, 48914), (9176, 42304), (9472, 40982), (10576, 36704), (15872, 24457), (18352, 21152), (18944, 20491)]