About the Number

128289252

128289251 ← → 128289253

2進数表記:111101001011000100111100100

漢数字表記:一億二千八百二十八万九千二百五十二

素因数分解:

2 2 × 3 1 × 7 2 × 13 2 × 1291 1

素因数の和:1338
約数の個数: 108
約数和(自身を含む): 377351856
約数和(自身を除く): 249062604

約数列:
[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 169, 182, 196, 273, 294, 338, 364, 507, 546, 588, 637, 676, 1014, 1092, 1183, 1274, 1291, 1911, 2028, 2366, 2548, 2582, 3549, 3822, 3873, 4732, 5164, 7098, 7644, 7746, 8281, 9037, 14196, 15492, 16562, 16783, 18074, 24843, 27111, 33124, 33566, 36148, 49686, 50349, 54222, 63259, 67132, 99372, 100698, 108444, 117481, 126518, 189777, 201396, 218179, 234962, 253036, 352443, 379554, 436358, 469924, 654537, 704886, 759108, 822367, 872716, 1309074, 1409772, 1527253, 1644734, 2467101, 2618148, 3054506, 3289468, 4581759, 4934202, 6109012, 9163518, 9868404, 10690771, 18327036, 21381542, 32072313, 42763084, 64144626, 128289252]

約数ペア:
[(1, 128289252), (2, 64144626), (3, 42763084), (4, 32072313), (6, 21381542), (7, 18327036), (12, 10690771), (13, 9868404), (14, 9163518), (21, 6109012), (26, 4934202), (28, 4581759), (39, 3289468), (42, 3054506), (49, 2618148), (52, 2467101), (78, 1644734), (84, 1527253), (91, 1409772), (98, 1309074), (147, 872716), (156, 822367), (169, 759108), (182, 704886), (196, 654537), (273, 469924), (294, 436358), (338, 379554), (364, 352443), (507, 253036), (546, 234962), (588, 218179), (637, 201396), (676, 189777), (1014, 126518), (1092, 117481), (1183, 108444), (1274, 100698), (1291, 99372), (1911, 67132), (2028, 63259), (2366, 54222), (2548, 50349), (2582, 49686), (3549, 36148), (3822, 33566), (3873, 33124), (4732, 27111), (5164, 24843), (7098, 18074), (7644, 16783), (7746, 16562), (8281, 15492), (9037, 14196)]

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