216291992

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 474227520

約数和(自身を除く): 257935528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 157, 292, 314, 337, 511, 584, 628, 674, 1022, 1099, 1256, 1348, 2044, 2198, 2359, 2696, 4088, 4396, 4718, 8792, 9436, 11461, 18872, 22922, 24601, 45844, 49202, 52909, 80227, 91688, 98404, 105818, 160454, 172207, 196808, 211636, 320908, 344414, 370363, 423272, 641816, 688828, 740726, 1377656, 1481452, 2962904, 3862357, 7724714, 15449428, 27036499, 30898856, 54072998, 108145996, 216291992]

約数ペア:

[(1, 216291992), (2, 108145996), (4, 54072998), (7, 30898856), (8, 27036499), (14, 15449428), (28, 7724714), (56, 3862357), (73, 2962904), (146, 1481452), (157, 1377656), (292, 740726), (314, 688828), (337, 641816), (511, 423272), (584, 370363), (628, 344414), (674, 320908), (1022, 211636), (1099, 196808), (1256, 172207), (1348, 160454), (2044, 105818), (2198, 98404), (2359, 91688), (2696, 80227), (4088, 52909), (4396, 49202), (4718, 45844), (8792, 24601), (9436, 22922), (11461, 18872)]