About the Number

890991206

890991205 ← → 890991207

2進数表記:110101000110110111001001100110

漢数字表記:八億九千九十九万千二百六

素因数分解:

2 1 × 7 3 × 19 1 × 197 1 × 347 1

素因数の和:586
約数の個数: 64
約数和(自身を含む): 1653696000
約数和(自身を除く): 762704794

約数列:
[1, 2, 7, 14, 19, 38, 49, 98, 133, 197, 266, 343, 347, 394, 686, 694, 931, 1379, 1862, 2429, 2758, 3743, 4858, 6517, 6593, 7486, 9653, 13034, 13186, 17003, 19306, 26201, 34006, 46151, 52402, 67571, 68359, 92302, 119021, 135142, 136718, 183407, 238042, 323057, 366814, 478513, 646114, 957026, 1283849, 1298821, 2261399, 2567698, 2597642, 3349591, 4522798, 6699182, 9091747, 18183494, 23447137, 46894274, 63642229, 127284458, 445495603, 890991206]

約数ペア:
[(1, 890991206), (2, 445495603), (7, 127284458), (14, 63642229), (19, 46894274), (38, 23447137), (49, 18183494), (98, 9091747), (133, 6699182), (197, 4522798), (266, 3349591), (343, 2597642), (347, 2567698), (394, 2261399), (686, 1298821), (694, 1283849), (931, 957026), (1379, 646114), (1862, 478513), (2429, 366814), (2758, 323057), (3743, 238042), (4858, 183407), (6517, 136718), (6593, 135142), (7486, 119021), (9653, 92302), (13034, 68359), (13186, 67571), (17003, 52402), (19306, 46151), (26201, 34006)]

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