128356688

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 254165280

約数和(自身を除く): 125808592

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 347, 379, 488, 694, 758, 976, 1388, 1516, 2776, 3032, 5552, 6064, 21167, 23119, 42334, 46238, 84668, 92476, 131513, 169336, 184952, 263026, 338672, 369904, 526052, 1052104, 2104208, 8022293, 16044586, 32089172, 64178344, 128356688]

約数ペア:

[(1, 128356688), (2, 64178344), (4, 32089172), (8, 16044586), (16, 8022293), (61, 2104208), (122, 1052104), (244, 526052), (347, 369904), (379, 338672), (488, 263026), (694, 184952), (758, 169336), (976, 131513), (1388, 92476), (1516, 84668), (2776, 46238), (3032, 42334), (5552, 23119), (6064, 21167)]