217891408

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6337}}^1$

素因数の和:6659

約数の個数: 40

約数和(自身を含む): 484121792

約数和(自身を除く): 266230384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 614, 1228, 2149, 2456, 4298, 4912, 6337, 8596, 12674, 17192, 25348, 34384, 44359, 50696, 88718, 101392, 177436, 354872, 709744, 1945459, 3890918, 7781836, 13618213, 15563672, 27236426, 31127344, 54472852, 108945704, 217891408]

約数ペア:

[(1, 217891408), (2, 108945704), (4, 54472852), (7, 31127344), (8, 27236426), (14, 15563672), (16, 13618213), (28, 7781836), (56, 3890918), (112, 1945459), (307, 709744), (614, 354872), (1228, 177436), (2149, 101392), (2456, 88718), (4298, 50696), (4912, 44359), (6337, 34384), (8596, 25348), (12674, 17192)]