About the Number

161006475

161006474 ← → 161006476

2進数表記:1001100110001100001110001011

漢数字表記:一億六千百万六千四百七十五

素因数分解:

3 1 × 5 2 × 7 1 × 19 1 × 16141 1

素因数の和:16180
約数の個数: 48
約数和(自身を含む): 320257280
約数和(自身を除く): 159250805

約数列:
[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 16141, 48423, 80705, 112987, 242115, 306679, 338961, 403525, 564935, 920037, 1210575, 1533395, 1694805, 2146753, 2824675, 4600185, 6440259, 7666975, 8474025, 10733765, 23000925, 32201295, 53668825, 161006475]

約数ペア:
[(1, 161006475), (3, 53668825), (5, 32201295), (7, 23000925), (15, 10733765), (19, 8474025), (21, 7666975), (25, 6440259), (35, 4600185), (57, 2824675), (75, 2146753), (95, 1694805), (105, 1533395), (133, 1210575), (175, 920037), (285, 564935), (399, 403525), (475, 338961), (525, 306679), (665, 242115), (1425, 112987), (1995, 80705), (3325, 48423), (9975, 16141)]

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