208578032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 468844992

約数和(自身を除く): 260266960

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 104, 122, 136, 208, 221, 244, 272, 442, 488, 793, 884, 967, 976, 1037, 1586, 1768, 1934, 2074, 3172, 3536, 3868, 4148, 6344, 7736, 8296, 12571, 12688, 13481, 15472, 16439, 16592, 25142, 26962, 32878, 50284, 53924, 58987, 65756, 100568, 107848, 117974, 131512, 201136, 213707, 215696, 235948, 263024, 427414, 471896, 766831, 854828, 943792, 1002779, 1533662, 1709656, 2005558, 3067324, 3419312, 4011116, 6134648, 8022232, 12269296, 13036127, 16044464, 26072254, 52144508, 104289016, 208578032]

約数ペア:

[(1, 208578032), (2, 104289016), (4, 52144508), (8, 26072254), (13, 16044464), (16, 13036127), (17, 12269296), (26, 8022232), (34, 6134648), (52, 4011116), (61, 3419312), (68, 3067324), (104, 2005558), (122, 1709656), (136, 1533662), (208, 1002779), (221, 943792), (244, 854828), (272, 766831), (442, 471896), (488, 427414), (793, 263024), (884, 235948), (967, 215696), (976, 213707), (1037, 201136), (1586, 131512), (1768, 117974), (1934, 107848), (2074, 100568), (3172, 65756), (3536, 58987), (3868, 53924), (4148, 50284), (6344, 32878), (7736, 26962), (8296, 25142), (12571, 16592), (12688, 16439), (13481, 15472)]