217729434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 485791488

約数和(自身を除く): 268062054

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 103, 123, 206, 246, 309, 533, 618, 661, 1066, 1322, 1339, 1599, 1983, 2678, 3198, 3966, 4017, 4223, 8034, 8446, 8593, 12669, 17186, 25338, 25779, 27101, 51558, 54202, 54899, 68083, 81303, 109798, 136166, 162606, 164697, 204249, 329394, 352313, 408498, 704626, 885079, 1056939, 1770158, 2113878, 2655237, 2791403, 5310474, 5582806, 8374209, 16748418, 36288239, 72576478, 108864717, 217729434]

約数ペア:

[(1, 217729434), (2, 108864717), (3, 72576478), (6, 36288239), (13, 16748418), (26, 8374209), (39, 5582806), (41, 5310474), (78, 2791403), (82, 2655237), (103, 2113878), (123, 1770158), (206, 1056939), (246, 885079), (309, 704626), (533, 408498), (618, 352313), (661, 329394), (1066, 204249), (1322, 164697), (1339, 162606), (1599, 136166), (1983, 109798), (2678, 81303), (3198, 68083), (3966, 54899), (4017, 54202), (4223, 51558), (8034, 27101), (8446, 25779), (8593, 25338), (12669, 17186)]