1993974348548

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1567}}^1\times {\mathrm{499403}}^1$

素因数の和:501001

約数の個数: 72

約数和(自身を含む): 4374203726592

約数和(自身を除く): 2380229378044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 1567, 2548, 3134, 6268, 10969, 20371, 21938, 40742, 43876, 76783, 81484, 142597, 153566, 285194, 307132, 499403, 570388, 998179, 998806, 1996358, 1997612, 3495821, 3992716, 6492239, 6991642, 12984478, 13983284, 24470747, 25968956, 45445673, 48941494, 90891346, 97882988, 181782692, 318119711, 636239422, 782564501, 1272478844, 1565129002, 3130258004, 5477951507, 10173338513, 10955903014, 20346677026, 21911806028, 38345660549, 40693354052, 71213369591, 76691321098, 142426739182, 153382642196, 284853478364, 498493587137, 996987174274, 1993974348548]

約数ペア:

[(1, 1993974348548), (2, 996987174274), (4, 498493587137), (7, 284853478364), (13, 153382642196), (14, 142426739182), (26, 76691321098), (28, 71213369591), (49, 40693354052), (52, 38345660549), (91, 21911806028), (98, 20346677026), (182, 10955903014), (196, 10173338513), (364, 5477951507), (637, 3130258004), (1274, 1565129002), (1567, 1272478844), (2548, 782564501), (3134, 636239422), (6268, 318119711), (10969, 181782692), (20371, 97882988), (21938, 90891346), (40742, 48941494), (43876, 45445673), (76783, 25968956), (81484, 24470747), (142597, 13983284), (153566, 12984478), (285194, 6991642), (307132, 6492239), (499403, 3992716), (570388, 3495821), (998179, 1997612), (998806, 1996358)]