28007784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 88208640

約数和(自身を除く): 60200856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 61, 63, 72, 84, 122, 126, 168, 183, 244, 252, 366, 427, 488, 504, 549, 732, 854, 911, 1098, 1281, 1464, 1708, 1822, 2196, 2562, 2733, 3416, 3644, 3843, 4392, 5124, 5466, 6377, 7288, 7686, 8199, 10248, 10932, 12754, 15372, 16398, 19131, 21864, 25508, 30744, 32796, 38262, 51016, 55571, 57393, 65592, 76524, 111142, 114786, 153048, 166713, 222284, 229572, 333426, 388997, 444568, 459144, 500139, 666852, 777994, 1000278, 1166991, 1333704, 1555988, 2000556, 2333982, 3111976, 3500973, 4001112, 4667964, 7001946, 9335928, 14003892, 28007784]

約数ペア:

[(1, 28007784), (2, 14003892), (3, 9335928), (4, 7001946), (6, 4667964), (7, 4001112), (8, 3500973), (9, 3111976), (12, 2333982), (14, 2000556), (18, 1555988), (21, 1333704), (24, 1166991), (28, 1000278), (36, 777994), (42, 666852), (56, 500139), (61, 459144), (63, 444568), (72, 388997), (84, 333426), (122, 229572), (126, 222284), (168, 166713), (183, 153048), (244, 114786), (252, 111142), (366, 76524), (427, 65592), (488, 57393), (504, 55571), (549, 51016), (732, 38262), (854, 32796), (911, 30744), (1098, 25508), (1281, 21864), (1464, 19131), (1708, 16398), (1822, 15372), (2196, 12754), (2562, 10932), (2733, 10248), (3416, 8199), (3644, 7686), (3843, 7288), (4392, 6377), (5124, 5466)]