208403715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 375580800

約数和(自身を除く): 167177085

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 137, 145, 195, 269, 377, 411, 435, 685, 807, 1131, 1345, 1781, 1885, 2055, 3497, 3973, 4035, 5343, 5655, 7801, 8905, 10491, 11919, 17485, 19865, 23403, 26715, 36853, 39005, 51649, 52455, 59595, 101413, 110559, 117015, 154947, 184265, 258245, 304239, 479089, 507065, 552795, 774735, 1068737, 1437267, 1521195, 2395445, 3206211, 5343685, 7186335, 13893581, 16031055, 41680743, 69467905, 208403715]

約数ペア:

[(1, 208403715), (3, 69467905), (5, 41680743), (13, 16031055), (15, 13893581), (29, 7186335), (39, 5343685), (65, 3206211), (87, 2395445), (137, 1521195), (145, 1437267), (195, 1068737), (269, 774735), (377, 552795), (411, 507065), (435, 479089), (685, 304239), (807, 258245), (1131, 184265), (1345, 154947), (1781, 117015), (1885, 110559), (2055, 101413), (3497, 59595), (3973, 52455), (4035, 51649), (5343, 39005), (5655, 36853), (7801, 26715), (8905, 23403), (10491, 19865), (11919, 17485)]