201643715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 117690685

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 131, 199, 221, 455, 595, 655, 917, 995, 1105, 1393, 1547, 1703, 2227, 2587, 3383, 4585, 6965, 7735, 8515, 11135, 11921, 12935, 15589, 16915, 18109, 23681, 26069, 28951, 43979, 59605, 77945, 90545, 118405, 130345, 144755, 182483, 202657, 219895, 307853, 338897, 443173, 912415, 1013285, 1539265, 1694485, 2215865, 2372279, 3102211, 5761249, 11861395, 15511055, 28806245, 40328743, 201643715]

約数ペア:

[(1, 201643715), (5, 40328743), (7, 28806245), (13, 15511055), (17, 11861395), (35, 5761249), (65, 3102211), (85, 2372279), (91, 2215865), (119, 1694485), (131, 1539265), (199, 1013285), (221, 912415), (455, 443173), (595, 338897), (655, 307853), (917, 219895), (995, 202657), (1105, 182483), (1393, 144755), (1547, 130345), (1703, 118405), (2227, 90545), (2587, 77945), (3383, 59605), (4585, 43979), (6965, 28951), (7735, 26069), (8515, 23681), (11135, 18109), (11921, 16915), (12935, 15589)]