16905177575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 25164556032

約数和(自身を除く): 8259378457

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 143, 211, 275, 307, 325, 365, 715, 803, 949, 1055, 1535, 1825, 2321, 2743, 3377, 3575, 3991, 4015, 4745, 5275, 7675, 10439, 11605, 13715, 15403, 16885, 19955, 20075, 22411, 23725, 30173, 43901, 52195, 58025, 64777, 68575, 77015, 84425, 99775, 112055, 150865, 169433, 200239, 219505, 246521, 260975, 291343, 323885, 385075, 560275, 712547, 754325, 842101, 847165, 1001195, 1097525, 1232605, 1456715, 1619425, 2202629, 3204773, 3562735, 4210505, 4235825, 4728721, 5005975, 6163025, 7283575, 9263111, 11013145, 16023865, 17813675, 21052525, 23643605, 46315555, 52015931, 55065725, 61473373, 80119325, 118218025, 231577775, 260079655, 307366865, 676207103, 1300398275, 1536834325, 3381035515, 16905177575]

約数ペア:

[(1, 16905177575), (5, 3381035515), (11, 1536834325), (13, 1300398275), (25, 676207103), (55, 307366865), (65, 260079655), (73, 231577775), (143, 118218025), (211, 80119325), (275, 61473373), (307, 55065725), (325, 52015931), (365, 46315555), (715, 23643605), (803, 21052525), (949, 17813675), (1055, 16023865), (1535, 11013145), (1825, 9263111), (2321, 7283575), (2743, 6163025), (3377, 5005975), (3575, 4728721), (3991, 4235825), (4015, 4210505), (4745, 3562735), (5275, 3204773), (7675, 2202629), (10439, 1619425), (11605, 1456715), (13715, 1232605), (15403, 1097525), (16885, 1001195), (19955, 847165), (20075, 842101), (22411, 754325), (23725, 712547), (30173, 560275), (43901, 385075), (52195, 323885), (58025, 291343), (64777, 260975), (68575, 246521), (77015, 219505), (84425, 200239), (99775, 169433), (112055, 150865)]