About the Number

131007984

131007983 ← → 131007985

2進数表記:111110011110000010111110000

漢数字表記:一億三千百万七千九百八十四

素因数分解:

2 4 × 3 1 × 17 1 × 31 1 × 5179 1

素因数の和:5238
約数の個数: 80
約数和(自身を含む): 369976320
約数和(自身を除く): 238968336

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 1054, 1488, 1581, 2108, 3162, 4216, 5179, 6324, 8432, 10358, 12648, 15537, 20716, 25296, 31074, 41432, 62148, 82864, 88043, 124296, 160549, 176086, 248592, 264129, 321098, 352172, 481647, 528258, 642196, 704344, 963294, 1056516, 1284392, 1408688, 1926588, 2113032, 2568784, 2729333, 3853176, 4226064, 5458666, 7706352, 8187999, 10917332, 16375998, 21834664, 32751996, 43669328, 65503992, 131007984]

約数ペア:
[(1, 131007984), (2, 65503992), (3, 43669328), (4, 32751996), (6, 21834664), (8, 16375998), (12, 10917332), (16, 8187999), (17, 7706352), (24, 5458666), (31, 4226064), (34, 3853176), (48, 2729333), (51, 2568784), (62, 2113032), (68, 1926588), (93, 1408688), (102, 1284392), (124, 1056516), (136, 963294), (186, 704344), (204, 642196), (248, 528258), (272, 481647), (372, 352172), (408, 321098), (496, 264129), (527, 248592), (744, 176086), (816, 160549), (1054, 124296), (1488, 88043), (1581, 82864), (2108, 62148), (3162, 41432), (4216, 31074), (5179, 25296), (6324, 20716), (8432, 15537), (10358, 12648)]

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