197500578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 443418624

約数和(自身を除く): 245918046

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 131, 159, 262, 318, 393, 431, 583, 786, 862, 1166, 1293, 1441, 1749, 2586, 2882, 3498, 4323, 4741, 6943, 8646, 9482, 13886, 14223, 20829, 22843, 28446, 41658, 45686, 56461, 68529, 76373, 112922, 137058, 152746, 169383, 229119, 251273, 338766, 458238, 502546, 621071, 753819, 1242142, 1507638, 1863213, 2992433, 3726426, 5984866, 8977299, 17954598, 32916763, 65833526, 98750289, 197500578]

約数ペア:

[(1, 197500578), (2, 98750289), (3, 65833526), (6, 32916763), (11, 17954598), (22, 8977299), (33, 5984866), (53, 3726426), (66, 2992433), (106, 1863213), (131, 1507638), (159, 1242142), (262, 753819), (318, 621071), (393, 502546), (431, 458238), (583, 338766), (786, 251273), (862, 229119), (1166, 169383), (1293, 152746), (1441, 137058), (1749, 112922), (2586, 76373), (2882, 68529), (3498, 56461), (4323, 45686), (4741, 41658), (6943, 28446), (8646, 22843), (9482, 20829), (13886, 14223)]