638428896

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{316681}}^1$

素因数の和:316704

約数の個数: 72

約数和(自身を含む): 2074900464

約数和(自身を除く): 1436471568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 316681, 633362, 950043, 1266724, 1900086, 2216767, 2533448, 2850129, 3800172, 4433534, 5066896, 5700258, 6650301, 7600344, 8867068, 10133792, 11400516, 13300602, 15200688, 17734136, 19950903, 22801032, 26601204, 30401376, 35468272, 39901806, 45602064, 53202408, 70936544, 79803612, 91204128, 106404816, 159607224, 212809632, 319214448, 638428896]

約数ペア:

[(1, 638428896), (2, 319214448), (3, 212809632), (4, 159607224), (6, 106404816), (7, 91204128), (8, 79803612), (9, 70936544), (12, 53202408), (14, 45602064), (16, 39901806), (18, 35468272), (21, 30401376), (24, 26601204), (28, 22801032), (32, 19950903), (36, 17734136), (42, 15200688), (48, 13300602), (56, 11400516), (63, 10133792), (72, 8867068), (84, 7600344), (96, 6650301), (112, 5700258), (126, 5066896), (144, 4433534), (168, 3800172), (224, 2850129), (252, 2533448), (288, 2216767), (336, 1900086), (504, 1266724), (672, 950043), (1008, 633362), (2016, 316681)]