71802248

素因数分解:

$2^3\times 7^3\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 158976000

約数和(自身を除く): 87173752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 191, 196, 274, 343, 382, 392, 548, 686, 764, 959, 1096, 1337, 1372, 1528, 1918, 2674, 2744, 3836, 5348, 6713, 7672, 9359, 10696, 13426, 18718, 26167, 26852, 37436, 46991, 52334, 53704, 65513, 74872, 93982, 104668, 131026, 183169, 187964, 209336, 262052, 366338, 375928, 524104, 732676, 1282183, 1465352, 2564366, 5128732, 8975281, 10257464, 17950562, 35901124, 71802248]

約数ペア:

[(1, 71802248), (2, 35901124), (4, 17950562), (7, 10257464), (8, 8975281), (14, 5128732), (28, 2564366), (49, 1465352), (56, 1282183), (98, 732676), (137, 524104), (191, 375928), (196, 366338), (274, 262052), (343, 209336), (382, 187964), (392, 183169), (548, 131026), (686, 104668), (764, 93982), (959, 74872), (1096, 65513), (1337, 53704), (1372, 52334), (1528, 46991), (1918, 37436), (2674, 26852), (2744, 26167), (3836, 18718), (5348, 13426), (6713, 10696), (7672, 9359)]