About the Number

172170972

172170971 ← → 172170973

2進数表記:1010010000110001111011011100

漢数字表記:一億七千二百十七万九百七十二

素因数分解:

2 2 × 3 2 × 41 1 × 67 1 × 1741 1

素因数の和:1859
約数の個数: 72
約数和(自身を含む): 452738832
約数和(自身を除く): 280567860

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 67, 82, 123, 134, 164, 201, 246, 268, 369, 402, 492, 603, 738, 804, 1206, 1476, 1741, 2412, 2747, 3482, 5223, 5494, 6964, 8241, 10446, 10988, 15669, 16482, 20892, 24723, 31338, 32964, 49446, 62676, 71381, 98892, 116647, 142762, 214143, 233294, 285524, 349941, 428286, 466588, 642429, 699882, 856572, 1049823, 1284858, 1399764, 2099646, 2569716, 4199292, 4782527, 9565054, 14347581, 19130108, 28695162, 43042743, 57390324, 86085486, 172170972]

約数ペア:
[(1, 172170972), (2, 86085486), (3, 57390324), (4, 43042743), (6, 28695162), (9, 19130108), (12, 14347581), (18, 9565054), (36, 4782527), (41, 4199292), (67, 2569716), (82, 2099646), (123, 1399764), (134, 1284858), (164, 1049823), (201, 856572), (246, 699882), (268, 642429), (369, 466588), (402, 428286), (492, 349941), (603, 285524), (738, 233294), (804, 214143), (1206, 142762), (1476, 116647), (1741, 98892), (2412, 71381), (2747, 62676), (3482, 49446), (5223, 32964), (5494, 31338), (6964, 24723), (8241, 20892), (10446, 16482), (10988, 15669)]

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