28204190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 62239104

約数和(自身を除く): 34034914

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 137, 170, 173, 238, 274, 346, 595, 685, 865, 959, 1190, 1211, 1370, 1730, 1918, 2329, 2422, 2941, 4658, 4795, 5882, 6055, 9590, 11645, 12110, 14705, 16303, 20587, 23290, 23701, 29410, 32606, 41174, 47402, 81515, 102935, 118505, 163030, 165907, 205870, 237010, 331814, 402917, 805834, 829535, 1659070, 2014585, 2820419, 4029170, 5640838, 14102095, 28204190]

約数ペア:

[(1, 28204190), (2, 14102095), (5, 5640838), (7, 4029170), (10, 2820419), (14, 2014585), (17, 1659070), (34, 829535), (35, 805834), (70, 402917), (85, 331814), (119, 237010), (137, 205870), (170, 165907), (173, 163030), (238, 118505), (274, 102935), (346, 81515), (595, 47402), (685, 41174), (865, 32606), (959, 29410), (1190, 23701), (1211, 23290), (1370, 20587), (1730, 16303), (1918, 14705), (2329, 12110), (2422, 11645), (2941, 9590), (4658, 6055), (4795, 5882)]