219198616

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1427}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 508596480

約数和(自身を除く): 289397864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 211, 364, 422, 728, 844, 1427, 1477, 1688, 2743, 2854, 2954, 5486, 5708, 5908, 9989, 10972, 11416, 11816, 18551, 19201, 19978, 21944, 37102, 38402, 39956, 74204, 76804, 79912, 129857, 148408, 153608, 259714, 301097, 519428, 602194, 1038856, 1204388, 2107679, 2408776, 3914261, 4215358, 7828522, 8430716, 15657044, 16861432, 27399827, 31314088, 54799654, 109599308, 219198616]

約数ペア:

[(1, 219198616), (2, 109599308), (4, 54799654), (7, 31314088), (8, 27399827), (13, 16861432), (14, 15657044), (26, 8430716), (28, 7828522), (52, 4215358), (56, 3914261), (91, 2408776), (104, 2107679), (182, 1204388), (211, 1038856), (364, 602194), (422, 519428), (728, 301097), (844, 259714), (1427, 153608), (1477, 148408), (1688, 129857), (2743, 79912), (2854, 76804), (2954, 74204), (5486, 39956), (5708, 38402), (5908, 37102), (9989, 21944), (10972, 19978), (11416, 19201), (11816, 18551)]