217932728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:3012

約数の個数: 64

約数和(自身を含む): 474163200

約数和(自身を除く): 256230472

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 248, 299, 403, 598, 713, 806, 1196, 1426, 1612, 2392, 2852, 2939, 3224, 5704, 5878, 9269, 11756, 18538, 23512, 37076, 38207, 67597, 74152, 76414, 91109, 135194, 152828, 182218, 270388, 305656, 364436, 540776, 728872, 878761, 1184417, 1757522, 2095507, 2368834, 3515044, 4191014, 4737668, 7030088, 8382028, 9475336, 16764056, 27241591, 54483182, 108966364, 217932728]

約数ペア:

[(1, 217932728), (2, 108966364), (4, 54483182), (8, 27241591), (13, 16764056), (23, 9475336), (26, 8382028), (31, 7030088), (46, 4737668), (52, 4191014), (62, 3515044), (92, 2368834), (104, 2095507), (124, 1757522), (184, 1184417), (248, 878761), (299, 728872), (403, 540776), (598, 364436), (713, 305656), (806, 270388), (1196, 182218), (1426, 152828), (1612, 135194), (2392, 91109), (2852, 76414), (2939, 74152), (3224, 67597), (5704, 38207), (5878, 37076), (9269, 23512), (11756, 18538)]