About the Number

131560728

131560727 ← → 131560729

2進数表記:111110101110111010100011000

漢数字表記:一億三千百五十六万七百二十八

素因数分解:

2 3 × 3 1 × 13 1 × 71 1 × 5939 1

素因数の和:6032
約数の個数: 64
約数和(自身を含む): 359251200
約数和(自身を除く): 227690472

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 923, 1704, 1846, 2769, 3692, 5538, 5939, 7384, 11076, 11878, 17817, 22152, 23756, 35634, 47512, 71268, 77207, 142536, 154414, 231621, 308828, 421669, 463242, 617656, 843338, 926484, 1265007, 1686676, 1852968, 2530014, 3373352, 5060028, 5481697, 10120056, 10963394, 16445091, 21926788, 32890182, 43853576, 65780364, 131560728]

約数ペア:
[(1, 131560728), (2, 65780364), (3, 43853576), (4, 32890182), (6, 21926788), (8, 16445091), (12, 10963394), (13, 10120056), (24, 5481697), (26, 5060028), (39, 3373352), (52, 2530014), (71, 1852968), (78, 1686676), (104, 1265007), (142, 926484), (156, 843338), (213, 617656), (284, 463242), (312, 421669), (426, 308828), (568, 231621), (852, 154414), (923, 142536), (1704, 77207), (1846, 71268), (2769, 47512), (3692, 35634), (5538, 23756), (5939, 22152), (7384, 17817), (11076, 11878)]

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