About the Number

1971429642

1971429641 ← → 1971429643

2進数表記:1110101100000011010000100001010

漢数字表記:十九億七千百四十二万九千六百四十二

素因数分解:

2 1 × 3 2 × 7 2 × 13 1 × 171937 1

素因数の和:171972
約数の個数: 72
約数和(自身を含む): 5351054436
約数和(自身を除く): 3379624794

約数列:
[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 11466, 171937, 343874, 515811, 1031622, 1203559, 1547433, 2235181, 2407118, 3094866, 3610677, 4470362, 6705543, 7221354, 8424913, 10832031, 13411086, 15646267, 16849826, 20116629, 21664062, 25274739, 31292534, 40233258, 46938801, 50549478, 75824217, 93877602, 109523869, 140816403, 151648434, 219047738, 281632806, 328571607, 657143214, 985714821, 1971429642]

約数ペア:
[(1, 1971429642), (2, 985714821), (3, 657143214), (6, 328571607), (7, 281632806), (9, 219047738), (13, 151648434), (14, 140816403), (18, 109523869), (21, 93877602), (26, 75824217), (39, 50549478), (42, 46938801), (49, 40233258), (63, 31292534), (78, 25274739), (91, 21664062), (98, 20116629), (117, 16849826), (126, 15646267), (147, 13411086), (182, 10832031), (234, 8424913), (273, 7221354), (294, 6705543), (441, 4470362), (546, 3610677), (637, 3094866), (819, 2407118), (882, 2235181), (1274, 1547433), (1638, 1203559), (1911, 1031622), (3822, 515811), (5733, 343874), (11466, 171937)]

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