161215802

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 275878176

約数和(自身を除く): 114662374

約数列:

[1, 2, 11, 22, 61, 67, 121, 122, 134, 163, 242, 326, 671, 737, 1342, 1474, 1793, 3586, 4087, 7381, 8107, 8174, 9943, 10921, 14762, 16214, 19723, 19886, 21842, 39446, 44957, 89914, 109373, 120131, 218746, 240262, 494527, 666181, 989054, 1203103, 1321441, 1332362, 2406206, 2642882, 7327991, 14655982, 80607901, 161215802]

約数ペア:

[(1, 161215802), (2, 80607901), (11, 14655982), (22, 7327991), (61, 2642882), (67, 2406206), (121, 1332362), (122, 1321441), (134, 1203103), (163, 989054), (242, 666181), (326, 494527), (671, 240262), (737, 218746), (1342, 120131), (1474, 109373), (1793, 89914), (3586, 44957), (4087, 39446), (7381, 21842), (8107, 19886), (8174, 19723), (9943, 16214), (10921, 14762)]