About the Number

8021412

8021411 ← → 8021413

2進数表記:11110100110010110100100

漢数字表記:八百二万千四百十二

素因数分解:

2 2 × 3 2 × 7 1 × 139 1 × 229 1

素因数の和:385
約数の個数: 72
約数和(自身を含む): 23441600
約数和(自身を除く): 15420188

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 229, 252, 278, 417, 458, 556, 687, 834, 916, 973, 1251, 1374, 1603, 1668, 1946, 2061, 2502, 2748, 2919, 3206, 3892, 4122, 4809, 5004, 5838, 6412, 8244, 8757, 9618, 11676, 14427, 17514, 19236, 28854, 31831, 35028, 57708, 63662, 95493, 127324, 190986, 222817, 286479, 381972, 445634, 572958, 668451, 891268, 1145916, 1336902, 2005353, 2673804, 4010706, 8021412]

約数ペア:
[(1, 8021412), (2, 4010706), (3, 2673804), (4, 2005353), (6, 1336902), (7, 1145916), (9, 891268), (12, 668451), (14, 572958), (18, 445634), (21, 381972), (28, 286479), (36, 222817), (42, 190986), (63, 127324), (84, 95493), (126, 63662), (139, 57708), (229, 35028), (252, 31831), (278, 28854), (417, 19236), (458, 17514), (556, 14427), (687, 11676), (834, 9618), (916, 8757), (973, 8244), (1251, 6412), (1374, 5838), (1603, 5004), (1668, 4809), (1946, 4122), (2061, 3892), (2502, 3206), (2748, 2919)]

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