2051298795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 4321658880

約数和(自身を除く): 2270360085

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 109, 119, 195, 221, 255, 273, 327, 357, 455, 545, 595, 663, 763, 811, 1105, 1365, 1417, 1547, 1635, 1785, 1853, 2289, 2433, 3315, 3815, 4055, 4251, 4641, 5559, 5677, 7085, 7735, 9265, 9919, 10543, 11445, 12165, 12971, 13787, 17031, 21255, 23205, 24089, 27795, 28385, 29757, 31629, 38913, 41361, 49595, 52715, 64855, 68935, 72267, 73801, 85155, 88399, 96509, 120445, 148785, 158145, 168623, 179231, 194565, 206805, 221403, 265197, 289527, 361335, 369005, 441995, 482545, 505869, 537693, 618793, 843115, 896155, 1107015, 1149187, 1254617, 1325985, 1447635, 1502783, 1856379, 2529345, 2688465, 3093965, 3447561, 3763851, 4508349, 5745935, 6273085, 7513915, 8044309, 9281895, 10519481, 17237805, 18819255, 19536179, 22541745, 24132927, 31558443, 40221545, 52597405, 58608537, 97680895, 120664635, 136753253, 157792215, 293042685, 410259759, 683766265, 2051298795]

約数ペア:

[(1, 2051298795), (3, 683766265), (5, 410259759), (7, 293042685), (13, 157792215), (15, 136753253), (17, 120664635), (21, 97680895), (35, 58608537), (39, 52597405), (51, 40221545), (65, 31558443), (85, 24132927), (91, 22541745), (105, 19536179), (109, 18819255), (119, 17237805), (195, 10519481), (221, 9281895), (255, 8044309), (273, 7513915), (327, 6273085), (357, 5745935), (455, 4508349), (545, 3763851), (595, 3447561), (663, 3093965), (763, 2688465), (811, 2529345), (1105, 1856379), (1365, 1502783), (1417, 1447635), (1547, 1325985), (1635, 1254617), (1785, 1149187), (1853, 1107015), (2289, 896155), (2433, 843115), (3315, 618793), (3815, 537693), (4055, 505869), (4251, 482545), (4641, 441995), (5559, 369005), (5677, 361335), (7085, 289527), (7735, 265197), (9265, 221403), (9919, 206805), (10543, 194565), (11445, 179231), (12165, 168623), (12971, 158145), (13787, 148785), (17031, 120445), (21255, 96509), (23205, 88399), (24089, 85155), (27795, 73801), (28385, 72267), (29757, 68935), (31629, 64855), (38913, 52715), (41361, 49595)]