201562496

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 420403200

約数和(自身を除く): 218840704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 316, 496, 632, 643, 992, 1264, 1286, 1984, 2449, 2528, 2572, 3968, 4898, 5056, 5144, 9796, 10112, 10288, 19592, 19933, 20576, 39184, 39866, 41152, 50797, 78368, 79732, 82304, 101594, 156736, 159464, 203188, 313472, 318928, 406376, 637856, 812752, 1275712, 1574707, 1625504, 2551424, 3149414, 3251008, 6298828, 6502016, 12597656, 25195312, 50390624, 100781248, 201562496]

約数ペア:

[(1, 201562496), (2, 100781248), (4, 50390624), (8, 25195312), (16, 12597656), (31, 6502016), (32, 6298828), (62, 3251008), (64, 3149414), (79, 2551424), (124, 1625504), (128, 1574707), (158, 1275712), (248, 812752), (316, 637856), (496, 406376), (632, 318928), (643, 313472), (992, 203188), (1264, 159464), (1286, 156736), (1984, 101594), (2449, 82304), (2528, 79732), (2572, 78368), (3968, 50797), (4898, 41152), (5056, 39866), (5144, 39184), (9796, 20576), (10112, 19933), (10288, 19592)]